---
title: "Izuna Zanshinken"
description: "Koutarou arrives in Yuunagi City, in order to enter the service of the Kuzuryuu yakuza family.  A slender young man with an apparently innocent manner, he revea"
image: "https://t.vndb.org/cv/74/128374.jpg"
---

# Izuna Zanshinken

![Izuna Zanshinken](https://t.vndb.org/cv/74/128374.jpg)

**Alternative Title:** イヅナ斬審剣

**Developer:** Akatsuki Works Black

**Release date:** Oct 28, 2011

**Platform:** Windows

**Language:** Japanese

**Rating:** 7.1/10 (86 votes)

## Description
Koutarou arrives in Yuunagi City, in order to enter the service of the Kuzuryuu yakuza family.  A slender young man with an apparently innocent manner, he reveals the other side of his nature during a rather abrupt test from his new 'owner', his cold eyes promising death.  He is there to replace his father as Izuna for Yuunagi City, claiming the lives of true villains at the orders of his new master.

## Characters
### Musumi Koutarou (六角 弘太郎)
Main protagonist.

Born in rural area, comes to Yuunagi City to serve Kuzuryuu as new Izuna. Officialy he is sold to yakuza because of his father's debt. His classmates call him Rokkaku.

Bright and cheerful, but dense when it comes to relationships. As Izuna, he is brutal and cold-blooded, yet pure and believing in justice.

- **Gender:** Male
- **Hair:** Brown, Short, Straight, Parted to Side
- **Body:** Teen, Slim
- **Clothes:** School Uniform, Mask, Bracer, Ninja Suit
- **Personality:** Proactive, Donkan, Secretive, Boku, Friendly, Honorable, Cold-hearted, Kind, Vindictive, Loyal, Confident, Brave
- **Engages in:** Fighting, Murder, Investigation
- **Eyes:** Amber
- **Items:** Throwing Knife, Katana
- **Role:** Ninja, Transfer Student, Secret Identity

### Agano Hikaru (阿賀野 ヒカル)
Kotaro's classmate.

Bright and cheerful, she becomes Kotaro's best friend. She approaches Suzuka without fear and tries to be on friendly terms with her. Her father is a policeman and she believes that killing criminals is wrong.

- **Gender:** Female
- **Hair:** Ahoge, Short, Straight, V Bangs, Parted to Side, Orange
- **Body:** Reverse-trap, Teen, Slim, Flat Chest
- **Clothes:** School Uniform, Trousers, T-shirt, Tank Top, Old Type School Swimsuit, Sailor School Uniform
- **Subject of:** Assault, Kidnapping
- **Eyes:** Amber, Tsurime
- **Personality:** Boku, Friendly, Honorable, Tomboy, Smart, Energetic, Curious, Brave
- **Role:** Friend, Classmate, High School Student
- **Engages in:** Investigation, Swimming
- **Voiced by:** Ogura Yui

### Himekawa Shinobu (姫川 志乃蕪)
Suzuka's attendant and closest friend.

After her parents died as victims of burglary, she was brought to Kuzuryuu household by Kotaro's father. Since then she became Suzuka's closest aide and almost a sister. Refined and composed, she helps Kotaro in his work hoping that one day she will be able to avenge her parents.

- **Gender:** Female
- **Hair:** Blue, Ponytail, Waist Length+, Intake, V Bangs
- **Body:** Teen
- **Clothes:** School Uniform, Dress, Hair Ribbon, Leotard, Ninja Suit, Sailor School Uniform
- **Engages in:** Fighting, Investigation, Revenge
- **Eyes:** Violet
- **Personality:** Secretive, Refined, Kind, Vindictive, Loyal, Mature
- **Items:** Katana, Handgun, Wire Weapon
- **Role:** Ninja, Senpai, Teammate, High School Student
- **Voiced by:** Arisugawa Miyabi

### Kuzuryuu Suzuka (九頭竜 鈴華)
8th head of Kuzuryuu group and Kotaro's master.

After her parents' tragic death she became new leader of Kuzuryuu group. Due to this fact she is feared by her fellow schoolmates, but she also treats them distantly because of her position. Raised in household full of chivalry, she is serious, kind and honorable.

- **Gender:** Female
- **Measurements:** Height: 157cm
- **Hair:** Violet, Hime Cut, Waist Length+, Blunt Bangs
- **Body:** Teen, Big Breast Sizes
- **Clothes:** School Uniform, Mofuku, Choker, Sailor School Uniform, Detached Kimono Sleeves
- **Personality:** Proactive, Secretive, Honorable, Refined, Kind, Smart, Serious
- **Role:** Master, High School Student, Head of Household, Yamato Nadeshiko
- **Eyes:** Blue
- **Subject of:** Confinement
- **Voiced by:** Serizono Miya

### Gabrielle (ガブリエル)
Neon's servant.

- **Gender:** Female
- **Hair:** Pink, Shoulder-length
- **Engages in:** Fighting, Murder
- **Eyes:** Blue
- **Body:** Adult
- **Clothes:** Gloves, Pantyhose, Maid's Dress, Maid's Headdress, Knee-high Boots
- **Personality:** Stoic, Loyal
- **Role:** Maid, Antagonist
- **Items:** Crossbow
- **Voiced by:** Shindou Mayumi

### Hayatsuki Masaki (早月 政樹)
Lieutenant of Kuzuryuu group.

Originally working as a programmer, after some dramatic events he joined Kuzuryuu group. Calm and polite, he quickly achieved the position of lieutenant. He provides Kotaro with intel and logistic support during missions.

- **Gender:** Male
- **Hair:** Curtained, Short, Grey, Parted in Middle
- **Eyes:** Black
- **Body:** Adult
- **Clothes:** Suit, Necktie, Gloves, Eyepatch
- **Items:** Handgun
- **Role:** Coworker
- **Personality:** Refined, Kind, Smart, Loyal
- **Voiced by:** Kontsu

### Jouganji Tomoe (常願寺 巴)
Teacher in Kotaro's class.

Ex-leader of biker gang. She wants to ensure that her students won't repeat her mistakes and become respectable adults.

- **Gender:** Female
- **Hair:** Violet, Ahoge, Waist Length+, Straight, Spiky Bangs
- **Eyes:** Amber
- **Body:** Young-adult
- **Clothes:** Coat, Miniskirt, Thigh-high Stockings, Blouse
- **Role:** Teacher, Delinquent
- **Personality:** Tomboy, Energetic, Insightful
- **Voiced by:** Oda Mari

### Katsuragi Juuji (葛城 重次)
- **Gender:** Male
- **Hair:** Black, Short
- **Eyes:** Amber
- **Items:** Katana, Dual-Wield Weapon
- **Clothes:** Fingerless Gloves
- **Voiced by:** Matsuridai!

### Kurobe Keizou (黒部 慧造)
Special lecturer at Kotaro's school.

- **Gender:** Male
- **Hair:** Short, Moustache, Grey, Slicked Back
- **Role:** Villain, Teacher
- **Body:** Old
- **Clothes:** Suit, Glasses, Necktie
- **Personality:** Secretive, Pretending, Refined, Kind, Smart, Sly
- **Items:** Walking Stick
- **Engages in:** Murder, Cannibalism, Kidnapping
- **Eyes:** Itome
- **Voiced by:** Yuuhi

### Neon Dragulescu Buzau (音遠＝ドラグレスク＝ブザウ)
Half Romanian, half Japanese, she comes to Yuunagi City for specific objective.

After meeting Suzuka, she becomes obsessed about her. She has a hobby of collecting human bones.

- **Gender:** Female
- **Hair:** Blond, Waist Length+
- **Eyes:** Amber, Tsurime, Slit Pupils
- **Body:** Kid
- **Clothes:** Dress, Gloves, Gothic, Lolita, Lolita Hairband, Knee-high Boots
- **Personality:** Secretive, Selfish, Refined, Possessive
- **Subject of:** Insanity
- **Engages in:** Murder, Torture, Sexual Harassment
- **Role:** Antagonist
- **Voiced by:** Nojima Kana

### Police Inspector Agano (阿賀野警部)
Hikaru's father. Experienced policeman working in Yuunagi City.

- **Gender:** Male
- **Hair:** Brown, Short, Stubble, Slicked Back
- **Clothes:** Trousers, Necktie, Shirt
- **Personality:** Hard Worker, Smart, Serious
- **Eyes:** Black
- **Body:** Adult
- **Role:** Father, Police, Detective
- **Engages in:** Investigation
- **Items:** Cigarette
- **Voiced by:** J-Ichirou

### President Tenjou (天神会長)
- **Gender:** Male
- **Hair:** Brown, Short, Parted to Side
- **Eyes:** Hazel
- **Clothes:** Suit, Necktie, Ring, Bracelet, Tie Pin
- **Voiced by:** Tachibana Juushirou

### Scarface (スカーフェイス)
Neon's servant and Gabrielle's lover.

- **Gender:** Male
- **Engages in:** Fighting, Murder
- **Body:** Adult, Muscular, Giant, Large Penis
- **Clothes:** Power Armor, Helmet
- **Subject of:** Accident
- **Role:** Servant, Antagonist
- **Items:** Chainsaw, Raygun
- **Personality:** Violent
- **Voiced by:** Ueki Tooru

### Shinano Aki (信濃 秋)
- **Gender:** Female
- **Hair:** Brown, Shoulder-length, Side Tail
- **Clothes:** School Uniform, Ribbon Tie, Hair Tie, Sailor School Uniform
- **Eyes:** Amber
- **Role:** High School Student
- **Voiced by:** Ui

### Usui Kyouko (碓氷 響子)
- **Gender:** Female
- **Hair:** Blue, Twin Tails, Waist Length+
- **Clothes:** School Uniform, Miniskirt, Thigh-high Stockings, Shrug
- **Eyes:** Garnet
- **Voiced by:** Kawashima Rino

### Musumi Tetsushin (六角 哲心)
- **Gender:** Male
- **Role:** Father
- **Voiced by:** No☆boru

### Older Twin Izuna (双子イヅナ・姉)
- **Gender:** Female
- **Hair:** Pink, Long, Parted to Side
- **Eyes:** Green
- **Role:** Twin Sister
- **Body:** Big Breast Sizes
- **Clothes:** Choker, Knee-high Boots
- **Items:** Fist Claws
- **Voiced by:** Momoya Minami

### Pathologist (検死医)
- **Gender:** Male
- **Hair:** Brown, Short, Stubble
- **Eyes:** Brown
- **Clothes:** Glasses, Lab Coat, Latex Gloves, Aloha Shirt
- **Voiced by:** Shimada Tomoki

### Serial Killer (シリアルキラー)
- **Gender:** Male
- **Hair:** Black, Short
- **Eyes:** Blue
- **Body:** Tattoo
- **Subject of:** Confinement, Homicide
- **Role:** No Name, Serial Killer
- **Clothes:** Prisoner Uniform
- **Voiced by:** Hiiragi Yuiya

### Younger Twin Izuna (双子イヅナ・妹)
- **Gender:** Female
- **Hair:** Pink, Long, Parted to Side
- **Eyes:** Green
- **Role:** Twin Sister
- **Body:** Big Breast Sizes
- **Clothes:** Choker, Knee-high Boots
- **Items:** Fist Claws
- **Voiced by:** Momoya Minami

## Shops
- [Official Website](http://www.akabeesoft3.com/products/iduna/index.html)

## Releases
### Japanese
- **2011-07-22**: Izuna Zanshinken - Trial Edition - [Official website](http://www.akatsukiworks.com/black_side/product/iduna/download.html)
- **2011-10-28**: Izuna Zanshinken - First Press Edition - [Official website](http://www.akabeesoft3.com/products/iduna/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=15321)
- **2016-01-15**: Izuna Zanshinken - Download Edition - [Official website](http://www.akabeesoft3.com/products/iduna/index.html), [DMM](https://dlsoft.dmm.co.jp/detail/akbs_0050/)

## Tags
ADV, Shinobi, Sword Combat, Combat Archery, Combat with Exotic Weapons, Lesbian Sex, Unavoidable Rape, Male Protagonist, Protagonist with Voice Acting, Fighting Protagonist, Multiple Endings, Lolicon, Graphic Violence, Descriptions of Violence, Bloody Scenes, Guro, Yandere Heroine, Combat with Claws, Yakuza, Psychological Problems, Madness, Ninja Protagonist, Combat Capable Friends, Brief NVL Scenes, Group Sex of One Female and Several Males, Unlockable Routes, Donkan Protagonist, Sexual Harassment, Antihero Protagonist, Tomboy Heroine, Multiple Route Mystery, Sword Wielding Heroine, Martial Artist Heroine, Small Breast Sizes Heroine (Non-Loli), Episodic Story, Sword Wielding Protagonist, Lesbian Rape, Other Perspectives, Bad Ending(s), Proactive Protagonist, Assassin Protagonist, Defloration, Necrophilia, Boobjob, Only Virgin Heroines, Cannibalism, Yakuza Heroine, Game Over, Sixty-nine, Blowjob, Handjob, Torture, Science Fantasy, Impregnation, Lactation During Sex, High Amount of Special Effects, Lots of Choices, Open Ending(s), Masturbation, Dual Wielding Swords, More Than Seven Endings, Multiple Opening Movies, Doggy Style, Gang Rape, Outdoor Sex, Hero with Eyepatch, Fingering, Pragmatic Protagonist, Cowgirl, Reverse Cowgirl, Completely Avoidable Protagonist Rape, Sitting Sex, Spoons, Rape Involving Drugs, Ahegao, Drunk Sex, Unlockable Hero(ine), Changeable Font, Side Character Having Sex with Others, Side Character Rape by Others, Unavoidable Heroine Rape by Others, Completely Avoidable Heroine Death, High School Student Heroine

## More Games from Akatsuki Works Black
- [Minzoku Injou](https://pinovel.net/v1004)
- [Boku ga Watashi ni Natta Wake ~Josou Keikaku~](https://pinovel.net/v2513)
- [Izuna Zanshinken](https://pinovel.net/v7070)
- [Yurikago yori Tenshi made](https://pinovel.net/v7071)
- [Hotel.](https://pinovel.net/v7069)

---
*View the full details at [pinovel.net/v7070](https://pinovel.net/v7070).*

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