おっぱいハート～彼女はケダモノ発情期ッ!?～

The main protagonist. A schoolboy who is faithful to his own desire. He has an optimistic attitude. He is also a huge fan of animal fetishism. He is good at housework due to his parents being away often, and Miya is useless at them.
He affectionately refer to Miya as his 'No-good' sister, but he is fond of her and lends a hand whenever she is in trouble.
Natsuki is a friend of his sister, so they interact often.
Mari is a close friend of his.
Umi is like a little sister to him.

Brown, Short, Straight, Spiky Bangs, Pubic Hair

School Uniform, T-shirt, Jeans, Swim Shorts

Cunnilingus, Sixty-nine, Anilingus, Virgin Sex, Sex in Water, Outdoor Sex, Sex in Front of an Audience, Non-blood-related Incest, Nipple Sucking, Vaginal Fingering, Cowgirl, Reverse Cowgirl, Sitting Sex, Doggy Style, Quickie Fix, Missionary, Piledriver, Spoons, Standing Sex, Seventh Posture, Bathroom Sex, Sex at School, Nipple Teasing, Group Sex of One Male and Several Females

Friend, Non-blood-related Brother, Classmate, Kouhai, High School Student, Younger Brother

Twin Boobjob, Footjob, Handjob, Blowjob, Twin Blowjob, Anal Fingering, Tribadism on Penis, Buttjob, Shoejob, Balls Sucking, Bellyjob, Bodysponge, Pissing

Akino Ryuuya 秋野 龍也

The protagonist's classmate and mischievous friend.
She is a cheerful and spirited girl who can makes friends with anyone, but she is a natural prankster that often get into a bad mood.
She is not treated like a girl due to her noisy nature and tendency to make crude jokes. She is outwardly cheerful and yet naive on the inside. 
She has feeling for the protagonist deep down, and wants to be seen as a girl despite her thinking otherwise.

Height: 158cm, Bust-Waist-Hips: 85-60-87cm, C cup

Ahoge, Short, Straight, Green, Intake, V Bangs, Pubic Hair

Missionary, Doggy Style, Cowgirl, Standing Sex, Sitting Sex, Bukkake, Tominagi, Quickie Fix, Inflated Belly, Nipple Sucking, Cunnilingus, Vaginal Fingering, Butterfly, Pink Rotor, Magic Wand, Boobs on Fence, Milking (Sexual), Nipple Teasing

Blowjob, Sixty-nine, Virgin Sex, Lesbian Sex, Boobjob, Handjob, Sex in Public Places, Ahegao, Outdoor Sex, Female Ejaculation, Tribadism on Penis, Sex in Front of an Audience, Mutual Masturbation, Nipple Sucking, Buttjob, Bathroom Sex, Sex at School, Blowjob Duck Face, Sex while Being Pregnant, Bodysponge, Vaginal Gaping, Breast Smothering, Ball-cupping, Sex on Roof, Sexual Animal Cosplay, Sexual Cosplay, Nipple Teasing, Group Sex of One Male and Several Females, French Kiss

Apron, Headband, Jacket, Necktie, T-shirt, Evening Gloves, Sports Shoes, Knee-high Socks, Thigh-high Stockings, Belt, Bra, Ankle Socks, Old Type School Swimsuit, Pleated Skirt, Spaulders, Sailor School Uniform, Cheerleading Uniform, Lace Lingerie, Knee-high Boots, High Heeled Boots, Short Shorts

Student Council Member, Cheerleader, Classmate, High School Student

Aiba Matsuri 相葉 茉莉

The protagonist's older step-sister, who is one year older than hi,
She is the ultimate older sister who spoils the protagonist. She doesn't have much skills in most things, and relies on the MC to do the housework most of the time.
She is no-good at studying and exercise, and is a girl who fails at most of the things she does.
She doesn't have much to offer, but she is a hard-worker despite it all.
She is honest, gullible, and insensitive to many things. However, she sense that the MC is hiding something.

Height: 154cm, Bust-Waist-Hips: 87-57-86cm, E cup

Pink, Ahoge, Waist Length+, Straight, Parted in Middle, Hair Beads, Twin Braids, Tiny Braid

Hard Worker, Hetare, Airhead, Naive, Honest, Brother Complex

Missionary, Cowgirl, Seventh Posture, Sitting Sex, Piledriver, Bukkake, Tominagi, Reverse Cowgirl, Reverse Missionary, Inflated Belly, Nipple Sucking, Cunnilingus, Vaginal Fingering, Nipple Teasing

Blowjob, Sixty-nine, Virgin Sex, Boobjob, Handjob, Sex in Public Places, Gokkun, Ahegao, Female Ejaculation, Tribadism on Penis, Sex in Front of an Audience, Twin Boobjob, Non-blood-related Incest, Nipple Sucking, Intercrural Sex, Bathroom Sex, Sex at School, Bodysponge, Nipple Teasing, Group Sex of One Male and Several Females, French Kiss

Dress, Pajamas, T-shirt, Sport Bloomers, Sports Shoes, Pantyhose, Thigh-high Stockings, Sandals, Nurse Uniform, Cravat, Tube Top, Brooch, Ribbon Hair Accessory, Skirt Suit, Nurse's Cap, Sailor School Uniform, Microskirt, Loafers, Lace Lingerie

Step Sister, Student Council President, Senpai, High School Student, Older Sister

Akino Miya 秋野 美弥

A quiet and serious Kouhai who always has a smiling face.
She stands up for the people around her, and always takes that role of a follower.
She is very adaptable and is able to keep up with the protagonist's dirty talk and the bad moods of her classmates.
She lives near the MC and often go to school together, including Miya,
Since she is the youngest of the student council, she is treated like a younger sister, and she sees the protagonist as an interesting senpai.

Height: 152cm, Bust-Waist-Hips: 83-56-85cm, B cup

Blond, Twin Tails, Long, Straight, V Bangs

School Uniform, Mini-dress, Cloak, Sport Bloomers, Boots, Knee-high Socks, Thigh-high Stockings, Maid's Dress, Court Shoes, Bow Tie, Turtleneck Sweater, Ribbon Tie, Brooch, Rubber Band With Beads, Strapless Leotard, Bunny Dress, Shimapan, Maid's Headdress, Ankle Socks, Torn Pantyhose (damaged), Microskirt, Mary Jane, Blazer, Lace Lingerie, Thong Panties, Fishnet Pantyhose, Strapless Mini-dress

Missionary, Doggy Style, Cowgirl, Seventh Posture, Bukkake, Reverse Cowgirl, Quickie Fix, Reverse Missionary, Inflated Belly, Anilingus, Cunnilingus, Vaginal Fingering, Butterfly, Reverse Spitroast, Magic Wand, Petting With Object, Nipple Teasing, Vaginal Object Insertion, Vibrator

Blowjob, Sixty-nine, Virgin Sex, Lesbian Sex, Footjob, Sex in Public Places, Gokkun, Pissing, Outdoor Sex, Female Ejaculation, Sex in Front of an Audience, Nipple Sucking, Anal Fingering, Buttjob, Balls Sucking, Sex at School, Bellyjob, Ball-cupping, Sexual Animal Cosplay, Sexual Cosplay, Group Sex of One Male and Several Females, French Kiss

Student Council Member, Kouhai, High School Student

Kohinata Umi 小日向 羽美

Miya's classmate and best friend who is always willing to support her. She has a calm personality and always speak politely. She has impeccable grade and is an all-star athlete. Because of her perfection, others tend to keep their distance, and she is friendly and caring to those she breaks the ice with.
She sometimes lecture the protagonist's on the behalf of his step-sister, who cares for him deeply.
At first glance, she seems untouchable, but she has a cute side to her. She's scared of insects and reptiles, and is weak to explicit materials.

Height: 164cm, Bust-Waist-Hips: 91-58-89cm, F cup

Black, Hime Cut, Long, Straight, Sidehair

School Uniform, Kemonomimi Headband, Necktie, Shirt, Evening Gloves, Gloves, Miniskirt, Sport Bloomers, Knee-high Socks, Pantyhose, Collar, Tank Top, Spats, Sports Swimsuit, Decorative Belt, Torn Pantyhose (damaged), Halterneck Dress, Loafers, Paw Gloves, Blazer, Lace Lingerie, Knee-high Boots, Slit Dress, Thong Panties, Tube Top Bra

Missionary, Doggy Style, Cowgirl, Standing Sex, Spoons, Seventh Posture, Piledriver, Bukkake, Tominagi, Petplay, Inflated Belly, Nipple Sucking, Anilingus, Cunnilingus, Vaginal Fingering, Anal Fingering, Butterfly, Reverse Spitroast, Nipple Teasing

Blowjob, Cunnilingus, Virgin Sex, Boobjob, Masturbation, Handjob, Sex in Public Places, Sex in Water, Female Ejaculation, Sex in Front of an Audience, Twin Boobjob, Mutual Masturbation, Facesitting, Nipple Sucking, Intercrural Sex, Sex at School, Sex while Being Pregnant, Pantyjob, Masturbation in front of an Audience, Sexual Animal Cosplay, Nipple Teasing, Group Sex of One Male and Several Females, Anal Gaping, Vaginal Masturbation, French Kiss

Friendly, Honorable, Relaxed, Refined, Kind, Serious

Senpai, High School Student, Yamato Nadeshiko, Honor Student, Student Council Vice President

Kugayama Natsuki 久我山 奈月

The chemistry teacher and the school nurse, as well as the homeroom teacher. She also advises the student council.
She is a suspicious person who seems to have an ulterior motive, and is unable to be read.
Her hobby is to tease the students with her overflowing sexuality, and the MC is often seduced. 
Her deadpan often makes other wonder if she's serious or joking about things.
She is greatly amused by the current situation going on, and is teasing the MC and the girls involved.

Height: 162cm, Bust-Waist-Hips: 93-61-92cm, G cup

Blond, Long, Wavy, Curtained, Spiky Bangs, Sidehair, Pubic Hair

Missionary, Cowgirl, Standing Sex, Seventh Posture, Sitting Sex, Bukkake, Reverse Cowgirl, Quickie Fix, Reverse Missionary, Inflated Belly, Nipple Sucking, Cunnilingus, Vaginal Fingering, Butterfly, Nipple Teasing

Blowjob, Sixty-nine, Lesbian Sex, Boobjob, Handjob, Sex in Public Places, Gokkun, Ahegao, Female Ejaculation, Sex in Front of an Audience, Nipple Sucking, Anal Fingering, Sitting Sex, Shoejob, Sex at School, Vaginal Gaping, Pissing on Others, Ball-cupping, Prostate Massage, Group Sex of One Male and Several Females, French Kiss

Gloves, Miniskirt, Pantyhose, Thigh-high Stockings, Chinese Dress, Collar, Lab Coat, Court Shoes, Peaked Cap, Blouse, Latex, Choker, Sailor School Uniform, Mules, Lace Lingerie, Open Cup Bra, High Heeled Boots, Thong Panties, Latex Thigh-high Boots, Latex Long Gloves, High Heeled Shoes

Not a Virgin, School Nurse, Sexual Dominant, Homeroom Teacher

Makihara Rieko 槙原 理恵子

The serious friend of the MC. He can't leave people in trouble alone, and always tries to help. However, he secretly want the girls surrounding the protagonist.
Because of his position as a student council member, he knows the other heroine to a certain extent and is sympathetic to the MC due to being aware of how bad Miya and Mari are.
He helps the main characters to get to class on time.

Tokugawa Takurou 徳川 拓郎

Ryuuya has an older sister, Miya. He lives a peaceful school life with his friends. But one day, he and his friends accidentally drink a medicine juice. Once you drink it, you'll become sexually sensitive and get sexually excited soon. Especially the breasts of the girls who drink it will get bigger and they will need to have sex to cool down. Also, to make a vaccine, they will need to get pregnant. Like this, Ryuuya starts having sex with the girls to cool them down and make a vaccine...!

[From ErogeShop]

紅い瞳のセラフ

Akai Hitomi no Seraph

メイズ～迷図～

Maze

特別授業

Tokubetsu Jugyou

学園～恥辱の図式～

Gakuen ~Chijoku no Zushiki~

特別授業2

Tokubetsu Jugyou 2

満淫電車

Man'in Densha

放課後～濡れた制服～

Houkago ~Nureta Seifuku~

特別病棟

Tokubetsu Byoutou

学園2～淫虐の図式～

Gakuen 2 ~Ingyaku no Zushiki~

スレイブポリスみちる＆美鈴

Slave Police Michiru & Misuzu

すくーるヘブン　らぶえろハーレム☆ももいろタイフーン

School Heaven ~Love Ero Harem ☆ Momoiro Typhoon~

牝教師～淫辱の教室～

Mesu Kyoushi ~Injoku no Kyoushitsu~

放課後2～白濁のレッスン～

Houkago 2 ~Hakudaku no Lesson~

姫奴隷～牝へと堕ちゆく双子の王女～

Hime Dorei ~Mesu e to Ochiyuku Futago no Oujo~

牝教師2～淫従の螺旋～

Mesu Kyoushi 2 ~Injuu no Rasen~

毎日けだものっ!! らぶえろ☆ももいろ☆すくーるらいふ♪

Mainichi Kedamono!! Love Ero☆Momoiro☆School Life♪

満淫電車2

Man'in Densha 2

教育指導

Kyouiku Shidou

Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~

学園3～華麗なる悦辱～

Gakuen 3 ~Karei Naru Etsujoku~

三射面談～連鎖する恥辱・調教の学園～

Sansha Mendan ~Rensa Suru Chijoku Choukyou no Gakuen~

裏教師 ～背徳の淫悦授業～

Ura Kyoushi ~Haitoku no In'etsu Jugyou~

しりこん☆まじっく ～生まれる前からあなた専用?!～

Silicon☆Magic ~Umareru Mae Kara Anata Sen'you?!~

特別授業3SLG

Tokubetsu Jugyou 3 SLG

牝教師3 ～淫悦の学舎～

Mesu Kyoushi 3 ~In'etsu no Gakusha~

黒の教室

Kuro no Kyoushitsu

牝教師4 ～穢された教壇～

Mesu Kyoushi 4 ~Kegasareta Kyoudan~

恥辱の制服

Chijoku no Seifuku

放課後3 ～狙われた純潔～

Houkago 3 ~Nerawareta Junketsu~

修羅の痴漢道

Shura no Chikandou

課外授業 -私立白麗女子学園-

Kagai Jugyou -Shiritsu Hakurei Joshi Gakuen-

屈辱

Kutsujoku

支配の教壇

Shihai no Kyoudan

屈辱2

Kutsujoku 2

家属～母と姉妹の嬌声～

Kazoku ~Haha to Shimai no Kyousei~

支配の教壇II

Shihai no Kyoudan 2

隷嬢管理棟 ～制服少女たちの搾乳隷属記～

Reijou Kanritou ~Seifuku Shoujo-tachi no Sakunyuu Reizokuki~

屈辱3

Kutsujoku 3

恥辱の制服2

Chijoku no Seifuku 2

淫獄の放課後

Ingoku no Houkago

侵蝕

Shinshoku

キョウセイ支配

Kyousei Shihai

淫獄の放課後2

Ingoku no Houkago 2

隷従の制服

Reijuu no Seifuku

超狂指導日誌 ～学園統制録～

Choukyou Shidou Nisshi ~Gakuen Touseiroku~

BISHOP

AiCherry

Palace

Tianzu Xingren

<a target="_blank" href="https://vndb.org/r6785" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Limited First Press Ultimate Ero Edition">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Limited First Press Ultimate Ero Edition</a>

<a target="_blank" href="https://vndb.org/r14776" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ DVDPG">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ DVDPG</a>

<a target="_blank" href="https://vndb.org/r27968" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ UMD-PG Edition">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ UMD-PG Edition</a>

<a target="_blank" href="https://vndb.org/r40933" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Download Edition">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Download Edition</a>

<a target="_blank" href="https://vndb.org/r66630" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Renewal Package Edition - DVDPG">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Renewal Package Edition - DVDPG</a>

<a target="_blank" href="https://vndb.org/r75484" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Immoral Edition - Package Edition">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Immoral Edition - Package Edition</a>

<a target="_blank" href="https://vndb.org/r76296" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Immoral Edition - Download Edition">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Immoral Edition - Download Edition</a>

<a target="_blank" href="https://vndb.org/r159648" title="BISHOP Love Ero Set">BISHOP Love Ero Set</a>

<a target="_blank" href="https://vndb.org/r106262" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~</a>

<a target="_blank" href="https://vndb.org/r126061" title="Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~">Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~</a>

Date	Age	Title
2010-02-26	♥18+	Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Limited First Press Ultimate Ero Edition
2011-02-24	♥18+	Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ DVDPG
2011-07-29	♥18+	Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ UMD-PG Edition
2015-06-05	♥18+	Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Download Edition
2015-11-12	♥18+	Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Renewal Package Edition - DVDPG
2020-10-30	♥18+	Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Immoral Edition - Package Edition
2020-11-06	♥18+	Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ Immoral Edition - Download Edition
2026-06-26	♥18+	BISHOP Love Ero Set

Status:	Finished
Developer:	BISHOP
Game Engine:	Unknow

Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~

Description

Tags

Releases

Game details

Characters (7)

Akino Ryuuya
秋野龍也

Aiba Matsuri
相葉茉莉

Akino Miya
秋野美弥

Kohinata Umi
小日向羽美

Kugayama Natsuki
久我山奈月

Makihara Rieko
槙原理恵子

Tokugawa Takurou
徳川拓郎

More From BISHOP

Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~

Description

Tags

Releases

Game details

Characters (7)

Akino Ryuuya秋野 龍也

Aiba Matsuri相葉 茉莉

Akino Miya秋野 美弥

Kohinata Umi小日向 羽美

Kugayama Natsuki久我山 奈月

Makihara Rieko槙原 理恵子

Tokugawa Takurou徳川 拓郎

More From BISHOP

Akino Ryuuya
秋野龍也

Aiba Matsuri
相葉茉莉

Akino Miya
秋野美弥

Kohinata Umi
小日向羽美

Kugayama Natsuki
久我山奈月

Makihara Rieko
槙原理恵子

Tokugawa Takurou
徳川拓郎