--- title: "Omega Vampire" description: "A world in which humans and vampires share a bare minimum coexistence. The year is 20XX in Yokohama. The Aoi Research Firm has shone light onto the medical wo" image: "https://t.vndb.org/cv/90/63990.jpg" --- # Omega Vampire ![Omega Vampire](https://t.vndb.org/cv/90/63990.jpg) **Alternative Title:** オメガヴァンパイア **Aliases:** オメヴァン **Developer:** Karin Chatnoir Ω **Release date:** Dec 2, 2016 **Platform:** Windows, Switch, Website **Language:** English, Spanish, Japanese, Chinese (simplified) **Rating:** 7.3/10 (142 votes) ## Description A world in which humans and vampires share a bare minimum coexistence. The year is 20XX in Yokohama. The Aoi Research Firm has shone light onto the medical world, developing an artificial source of blood called EX-BLOOD, putting an end to the shortage of blood. At the same time, the vampires who had hidden themselves in the shadows emerge and declare that they will now coexist with humanity. They gradually began show themselves out in society. But by nature, vampires prefer human blood. Some of them continued to assault humans. Even as those vampires that wish for a peaceful coexistence with humans try to keep the others in check, "vampire hunts" are also widespread, carried out by some humans due to a drug-like high a human experiences when drinking a vampire's blood. Even so, at least on the surface, peace appeared to be maintained... The protagonist, Moriya Keiichi, sustains life-threatening injuries in an accident. His best friend, Aoi Setsuna, saves his life with a brand new drug which utilizes a vampire's extraordinary healing capabilities. As a side effect, Keiichi's attribute ends up transforming from Beta into Omega. Keiichi's newly Omega pheromones attract the vampires to him. One day, Keiichi finds himself saved from a dire attack by an Alpha vampire, Ooizumi Genma. As someone who hates vampires, Keiichi refuses Genma's help. However, he himself had become a half-vampire desiring blood... "Dammit.....just what the hell have I become?!" ## Characters ### Moriya Keiichi (守矢 刑一) A student who lives in Yokohama. A clumsy but gentle young man. While feeling some anxiety about the future, he's living a quiet student life. Hates vampires because his parents were killed by vampires when he was little. After a car accident he miraculously recovered because of a new medicine, given to him by Aoi Setsuna. But because of its side effects his attribute changed from Beta to Omega. Attribute: Beta → Omega (β → Ω) - **Gender:** Male - **Measurements:** Height: 172cm - **Birthday:** 11 March - **Hair:** Brown, Red, White, Twin Tails, Wavy, Shoulder-length, Short, Straight, Wig, Spiky, Spiky Bangs, Parted to Side, Sidehair, Gradient Colored Hair - **Engages in:** Cross-dressing, Cleaning, Teasing, Medication, Revenge, Unarmed Fighting, Mass Murder, Wedding, Duel, Mercy Killing, Escape From Confinement, Infiltration, Bridal Carry, Pole Dancing, Magic/ESP Combat - **Eyes:** Brown, Red, Hosome - **Body:** Teen, Pale, Young-adult, Scar, Fang, Toned, Facial Scar - **Clothes:** School Uniform, Suit, Jacket, Necktie, Vest, Skirt, Bandages, Belt, Gothic, Collar, Cuffs, Ribbon Tie, Cross Design, Hair Tie, Engagement Ring, Fingerless Gloves, Pocket Square, Loose Necktie, Formal Shirt - **Personality:** Donkan, Hotblooded, Tsundere, Ore, Friendly, Clumsy, Naive, Energetic, Emotional, Brave - **Role:** Orphan, Father, Son, Grandson, Friend, Classmate, Kouhai, Poor, Vampire, High School Student, Tsukkomi, Non-blood-related Father, Homosexual, Popular, Living Alone, Half Vampire, Superstrength, Switch, Superspeed - **Subject of:** Assault, Accident, Injury, Confinement, Pregnancy, Coma, Kidnapping, Sexual Harassment, Stalking, Flirting, Netori (their SO is stolen), Human Subject Research, Discrimination, Fainting, Surgery, Being in Heat, Marriage Proposal, Bridal Carry, Betrayal - **Items:** Mobile Phone, Bag - **Voiced by:** Sawa Manaka ### Aoi Setsuna (碧井 刹那) Keiichi's senpai since middle school, the grandson of artificial blood developer Aoi Juzo. As the one responsible for making Keiichi an omega vampire, he gave him a collar so that he would not be snatched away by alphas. He is vigilant against the vampire threat and continues his research in order to protect humans from them. Because he is overly worried about Keiichi’s health, he attempts to confine him to manage his vitals, but… Attribute: Beta (β) - **Gender:** Male - **Measurements:** Height: 180cm - **Birthday:** 8 November - **Hair:** White, Short, Straight, Spiky Bangs - **Body:** Slim, Pale, Young-adult - **Clothes:** Trousers, Suit, Glasses, Jacket, Lab Coat, Cuffs, Bolo Tie, Cufflink, Formal Shirt, Lanyard - **Personality:** Hard Worker, Pervert, Cautious, Refined, Possessive, Genius, Protective, Serious, Disciplinarian, Watashi, Eccentric, Obsessive - **Engages in:** Cooking, Fighting, Driving, Stalking, Flirting, Marriage Proposal, Confinement, Human Subject Research - **Eyes:** Blue - **Role:** Grandson, Friend, Legal Guardian, Scientist, Senpai, Wealthy, Homosexual, Famous, Researcher, Parent Act, Switch - **Subject of:** Injury, Confinement, Kidnapping, Malevolent Possession, Being Drugged, Bridal Carry, Completely Avoidable Death, Parasitism - **Items:** Mobile Phone, Scalpel, Stethoscope - **Voiced by:** Hanasaki Ouji ### Heinrich Schellenberg (ハインリヒ・シェレンベルク) Club owner and actor. A vampire who arrived in Japan during the Edo period. He continued to turn people into vampires after his arrival and it's said that all vampires are related to him. He was also the man who turned Genma into a vampire. His body has incredible healing powers and it continues to heal until the heart is destroyed. Attribute: Alpha (α) - **Gender:** Male - **Measurements:** Height: 204cm - **Birthday:** 8 August - **Hair:** Blond, Long, Sidehair, Curly, Half Updo - **Body:** Pale, Young-adult, Muscular, Younger Appearance, Fang, Tall - **Clothes:** Trousers, Suit, Hat, Jacket, Necklace, Cross Necklace, Vest, Half-naked, Belt, Chain Jewellery, Cross Earrings, Fingerless Gloves, Pocket Square, Formal Shirt, Multiple Earrings - **Role:** Villain, Widower, Father, Noble, Foreigner, Wealthy, Vampire, Gang Leader, German, Actor, Famous, Bisexual, Antagonist, Slave Owner, Superstrength, Superspeed - **Engages in:** Fighting, Driving, Planning, Unarmed Fighting, Assault, Flirting, Wedding, Duel, Marriage Proposal, Confinement, Prolicide - **Eyes:** Red, Hosome - **Personality:** Mayadere, Ore, Cynic, Honorable, Arrogant, Smart, Confident, Assertive, Cruel, Ore-sama, Charismatic - **Subject of:** Wounding, Unavoidable Other Route Death, Disappointment, Grief, Betrayal - **Voiced by:** Kurose Taka ### Ooizumi Genma (大泉 源馬) He was attacked by vampires who came from overseas by boat, including Heinrich. Since then he has been living as a vampire. He was originally a member of a samurai family during the Edo period, though his family started disliking him after he turned into a vampire. Also the leader of the Red Clan Society, a group of vampires who choose to coexist with humans. Looks intimidating, but is actually someone who cares about others. Attribute: Alpha (α) - **Gender:** Male - **Measurements:** Height: 194cm - **Birthday:** 8 January - **Hair:** Black, Red, Eye Covering, Multicolored, Parted to Side - **Body:** Pale, Young-adult, Muscular - **Items:** Sword - **Engages in:** Swordsmanship, Marriage Proposal, Bridal Carry - **Eyes:** Red - **Clothes:** Kimono, Vest, Gloves, Belt, Gothic, Cravat, Engagement Ring, Tailcoat - **Personality:** Ore, Stoic, Honorable, Possessive, Serious - **Role:** Vampire, Homosexual - **Voiced by:** Jougasaki Jin ### Shizuru Hakurou (静流白狼) A werewolf who worships Ooizumi Genma for saving his life. Werewolves were once worshipped until they were hunted down by humans. It is now an endangered species. He dislikes humans and avoids them, because his parents were also killed by humans. Attribute: Omega (Ω). - **Gender:** Male - **Measurements:** Height: 168cm - **Birthday:** 15 September - **Hair:** White, Shoulder-length, Curly - **Body:** Teen, Slim, Pale, Tail, Kemonomimi, Younger Appearance, Fang, Albino, Claw, Amputee - **Clothes:** School Uniform, Hood, Collar, Decorative Belt - **Personality:** Hard Worker, Tsundere, Modern Tsundere, Boku, Uneducated, Distrustful, Short-tempered, Loyal, Immature, Emotional, Envious, Jealous, Sharp-tongued, Childishly Violent - **Role:** Orphan, Classmate, Secretary, Werewolf, Homosexual, Executive, Not an Anal Virgin - **Eyes:** Amber - **Subject of:** Injury, Genetic Research, Kidnapping, Human Subject Research, Being in Heat, Enchainment, Completely Avoidable Death, Netorare (they are the stolen SO) - **Engages in:** Unarmed Fighting, Assault, Betrayal - **Voiced by:** Aoi Yuuma ### Arimura Kai (有村 戒) A vampire who's an executive at Genma's Red Clan society. Was originally caught by Club Nosferatu and had to participate in the fight club until Genma helped him. Attribute: Alpha (α) - **Gender:** Male - **Birthday:** 10 April - **Hair:** Black, Blond - **Engages in:** Fighting - **Eyes:** Red - **Clothes:** Suit, Necktie, Belt, Naked in Front of an Audience - **Personality:** Ore, Carefree, Outgoing, Friendly, Loyal - **Role:** Vampire, Homosexual, Executive - **Body:** Fang - **Voiced by:** Mano Dai ### Furuya Hiroshi (古谷宏) Club Nosferatu executive. A vampire who's faithful to Heinrich Attribute: Alpha (α) - **Gender:** Male - **Birthday:** 20 November - **Hair:** Blue - **Eyes:** Red - **Clothes:** Earrings, Glasses, Tailcoat - **Personality:** Cold-hearted, Refined, Loyal, Sly, Pragmatic, Watashi, Cruel - **Role:** Vampire, Politician, Homosexual, Executive, Older Brother, Antagonist - **Engages in:** Revenge, Sexual Harassment - **Body:** Nail Polish - **Items:** Wire Weapon - **Subject of:** Smuggling - **Voiced by:** Amekanmuri Rui ### Fuwatari Haruki (不渡春来) Keiichi's classmate. Different from Keiichi he wears a common belt-type collar. Even though Omegas are quite rare, their bodies are weak and they're sometimes bullied because of this. Attribute: Omega (Ω) - **Gender:** Male - **Birthday:** 20 October - **Hair:** Short, Straight, Green, V Bangs - **Body:** Teen, Slim, Pale - **Clothes:** School Uniform, Trousers, Necktie, Belt, Gothic, Collar, Cuffs, Cross Design, Formal Shirt - **Role:** Student, Boyfriend, Classmate, High School Student, Homosexual, Not an Anal Virgin - **Subject of:** Assault, Bullying, Wounding, Confinement, Being in Heat - **Eyes:** Blue - **Personality:** Hetare, Reserved, Shy, Coward, Stutter - **Items:** Mobile Phone - **Engages in:** Escape From Confinement - **Voiced by:** Satonaka Kanete ### Gousawa Gisuke (豪沢義介) Keiichi's classmate, the son of local influential anti-society force. Even though he's an alpha he's not an elite. Likes to bully Fuwatari. Is sometimes misunderstood because of his rough behavior. Attribute: Alpha (α) - **Gender:** Male - **Hair:** Blond, Curtained, Short, Spiky, Spiky Bangs - **Body:** Pale, Young-adult, Muscular, Fang, Male Cleavage - **Clothes:** School Uniform, Earrings, Belt, Cuffs, Pendant Necklace, Bracelet, Cross Design, Loose Necktie - **Role:** Student, Boyfriend, Classmate, Wealthy, High School Student, Homosexual, Delinquent, Infamous - **Engages in:** Fighting, Bullying, Revenge, Duel, Escape From Confinement - **Eyes:** Blue, Hosome - **Items:** Pocket Knife, Mobile Phone - **Personality:** Tsundere, Ore, Arrogant, Short-tempered, Possessive, Protective, Vindictive, Violent - **Subject of:** Confinement - **Voiced by:** Oono Ken ### Kumada Takeshi (熊打猛) A vampire who serves Heinrich. Dislikes Genma Attribute: Alpha (α) - **Gender:** Male - **Birthday:** 22 September - **Hair:** Brown, Shoulder-length - **Body:** Pale, Muscular, Scar, Fang, Male Cleavage - **Clothes:** Trousers, T-shirt, Belt - **Eyes:** Red, Tareme - **Personality:** Ore, Short-tempered, Energetic, Loyal, Violent, Obedient - **Subject of:** Injury, Hospitalization - **Role:** Vampire, Homosexual - **Engages in:** Unarmed Fighting ### Murasame Hakase (村雨博士) Genetic researcher, is studying biological weapons against vampires. Attribute: Alpha (α) - **Gender:** Male - **Birthday:** 9 September - **Hair:** White, Spiky, Parted to Side - **Clothes:** Trousers, Belt, Lab Coat, Cravat - **Role:** Villain, Scientist, Homosexual, Antagonist, Researcher - **Eyes:** Blue - **Subject of:** Death - **Personality:** Relaxed, Genius, Confident, Coward, Pragmatic, Watashi - **Body:** Fang - **Engages in:** Genetic Research, Supernatural Cloning, Confinement - **Voiced by:** Horikawa Shinobu ### Shibukawa Tatsunosuke (渋川辰之介) A vampire who's also an executive at Genma's Red Clan Society. A very smart elite vampire. Attribute: Alpha (α) - **Gender:** Male - **Birthday:** 6 December - **Hair:** Ponytail, Long, Grey - **Body:** Pale, Fang - **Engages in:** Fighting, Not Sexually Involved, Aikido - **Eyes:** Red, Hosome - **Clothes:** Suit, Necktie, Tailcoat - **Role:** Vampire - **Personality:** Watashi - **Items:** Kunai - **Voiced by:** Kuroi Isamu ### Tani Tomoki (谷友騎) Keiichi's best friend & classmate. Has a strong sense of responsibility, works as the class representative too. Also often worries about Keiichi. Attribute: Beta (β) - **Gender:** Male - **Birthday:** 26 June - **Hair:** Brown, Short - **Eyes:** Brown - **Clothes:** School Uniform, Glasses, Belt, Loose Necktie - **Role:** Student, Friend, Class President, Classmate, High School Student - **Personality:** Friendly, Kind, Brave, Observant - **Voiced by:** Minamoto Ryoma ### Yaotome Hakase (夜乙女博士) Researcher. A man with crude speech and sometimes strange behavior. Attribute: Alpha (α) - **Gender:** Male - **Birthday:** 11 March - **Hair:** White, Beard, Moustache, Eye Covering, Parted to Side - **Eyes:** Grey - **Body:** Old, Overweight - **Clothes:** Necktie, Belt, Lab Coat - **Personality:** Ore, Pervert, Friendly, Relaxed - **Role:** Scientist, Researcher - **Engages in:** Sexual Harassment - **Voiced by:** No☆boru ## Shops - [Official Website](http://ov.chatnoir.biz/) - [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ012247.html) ## Releases ### Japanese - **2016-12-02**: Omega Vampire - First Press Deluxe Edition (DVD Version) - [Official website](http://ov.chatnoir.biz/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23971) - **2016-12-02**: Omega Vampire - First Press Deluxe Edition (USB Version) - [Official website](http://ov.chatnoir.biz/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23971) - **2016-12-22**: Omega Vampire - Regular Edition (USB Version) - [Official website](http://ov.chatnoir.biz/) - **2019-08-29**: Omega Vampire - Package Edition - [Official website](https://www.prot.co.jp/switch/ov/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27375), [PlayAsia](https://www.play-asia.com/13/70c28d) - **2019-08-29**: Omega Vampire - Download Edition - [Official website](https://www.prot.co.jp/switch/ov/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27375) - **2019-12-29**: Omega Vampire - Download Edition - [Official website](http://ov.chatnoir.biz/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23971), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ012247.html), [Animate Games](https://www.animategames.jp/home/detail/30068), [DMM](https://dlsoft.dmm.co.jp/detail/vanillas_0005/) ### Spanish - **2020-03-24**: Omega Vampire - [Official website](https://www.wattpad.com/story/150396547-omega-vampire) ### English - **2021**: Omega Vampire - [Official website](https://aarinfantasy.com/forum/f16/t199241-omega-vampire-english-translation.html) ### Chinese (simplified) - **2025-01-18**: Omega Vampire - [Official website](http://otome.cn/883556) ## Tags Superpowers, Action, Sexual Content, ADV, High School, Unarmed Combat, Rape, Comedy, Male Protagonist, Protagonist with Voice Acting, Fighting Protagonist, Multiple Endings, Bloody Scenes, Gore, Bullying, Drug Use, Modern Day Japan, Confinement, Combat Capable Friends, Under the Same Roof, Immortal Protagonist, Skip Scenes, Unlockable Routes, Episodic Story, Unique Routes, Branching Plot, Other Perspectives, Bad Ending(s), Flashback, Proactive Protagonist, Vibrators, Protagonist with a Face, Defloration, Side Portraits, Male on Male Rape, Selfcest, Secret Society, Orphan Protagonist, Genetic Research, Timed Choices, Wedding, Bad Endings with Story, Game Over, Missionary Position, Hero with a Sword, Fighting Hero, Sounds of Copulation, Immortal Hero, Half-human Protagonist, Adult Hero, Cross-dressing, Hero with Glasses, Possession, Cloning, Poor Protagonist, Vampire Hero, Tsundere Hero, Villainous Hero, Werewolf Hero, Scientist Hero, High School Student Protagonist, Shapeshifting, More Than Seven Endings, Tsundere Protagonist, Relationship Chart, Doggy Style, Orphan Hero, Gang Rape, Group Sex of Several Males, Kidnapping, Vampire Protagonist, Foreigner Hero, Outdoor Sex, Protagonist's Senpai as a Hero, Discrimination, Bonus Side Stories, Hero with Eye Covering Hairstyle, White Haired Hero, Albino Hero, Hero with a Fang, Hero with Gothic Look, Actor Hero, Timid Protagonist, Interracial/interspecies Romance, Normal Scene Recollection, Read Text Marking, Male Pregnancy, Tsukkomi Protagonist, Frot, Wealthy Hero, Choices with 4 or More Options, Hero with Sexual Experience, Standing Sex, Sitting Sex, Spoons, Butterfly, Rape Involving Drugs, Bisexual Hero, Bathroom Sex, Reversible Yaoi Pairing, Sex in Front of an Audience, Protagonist with a Sprite, Brothel, Unavoidable Hero Rape, Kissing Scene, Genius Hero, Boy x Boy Romance Only, Marriage Ending, Unlockable Hero(ine), Gentle Protagonist, Voiced Thoughts, Sexual Fantasizing, Quickie Fix Position, Unlockable Event, Anal Fingering, Voice Saving, Completion Status Indicator, Save Memo Function, Omegaverse, Muscular Hero, Seke Protagonist, On the Run, Pole Dancing, Sex with Others, Side Character Rape by Others, Unavoidable Rape by Others, Binaural Audio, Anal Masturbation, Male on Male Sex Only, Contemporary Fantasy, Pregnancy Good Ending, Single Handjob, Penile Masturbation, High School Student Hero, Pillow Talk, Comedic Sex Scenes, Urban Fantasy, Dystopia, Drastic Character Development (positive), Anal Sex, Lots of Choices, Body Horror, Descriptions of Violence, Food Discussions, Jealousy, Donkan Protagonist, LGBTQ Issues, Transformation Sequence(s), Spontaneous Power-ups, Science Fantasy, Homemaker Protagonist, Thriller, Knife/Dagger Combat, Sword Combat, Snow, Only Older Heroes ## More Games from Karin Chatnoir Ω - [Omertà ~Chinmoku no Okite~](https://pinovel.net/v5243) - [Omertà Code:Tycoon](https://pinovel.net/v10279) - [Omega Vampire](https://pinovel.net/v19455) --- *View the full details at [pinovel.net/v19455](https://pinovel.net/v19455).* ```json {"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v19455#game","name":"Omega Vampire","description":"A world in which humans and vampires share a bare minimum coexistence. 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