---
title: "JK Imouto."
description: "The protagonist, Tonomiya Masashi, wakes up one morning and realizes that he has completely lost his memories. He doesn't even recognize his own name. As he exp"
image: "https://t.vndb.org/cv/66/116766.jpg"
---

# JK Imouto.

![JK Imouto.](https://t.vndb.org/cv/66/116766.jpg)

**Alternative Title:** JK妹。

**Aliases:** 女子高生　妹

**Developer:** Atelier Kaguya HonkyTonk Pumpkin

**Release date:** Oct 25, 2019

**Platform:** Windows

**Language:** Japanese, Chinese (simplified), English

**Rating:** 7.2/10 (177 votes)

## Description
The protagonist, Tonomiya Masashi, wakes up one morning and realizes that he has completely lost his memories. He doesn't even recognize his own name. As he explores an unfamiliar house, he learns that he has three younger sisters, and they all live together in the house while their parents are currently traveling overseas. The story revolves around Masashi struggling with his newfound situation of living under the same roof with three unknown high school girls, as well as dealing with the sibling relationships. Will he be able to keep his cool around them? Will his memory ever come back? Only time will tell.

## Characters
### Tonomiya Masashi (兎ノ宮 正志)
- **Gender:** Male
- **Body:** Slim, Pale, Young-adult
- **Subject of:** Amnesia, Human Subject Research
- **Clothes:** Vest
- **Personality:** Pervert, Kind, Sister Complex
- **Role:** Full Brother, University Student, Nameable, Older Brother

### Tonomiya Ayuka (兎ノ宮 愛結架)
- **Gender:** Female
- **Hair:** Brown, Twin Tails, Waist Length+, Spiky Bangs, Half Updo
- **Body:** Teen, Slim, Pale, Big Breasts
- **Clothes:** Scarf, Skirt, Knee-high Socks, Ribbon Hair Tie, Pleated Skirt, Sailor School Uniform, Off-The-Shoulder Sweater
- **Role:** Full Sister, High School Student, Bisexual, Younger Sister
- **Personality:** Smart, Third Person, Flustered, Watashi, Cheerful
- **Eyes:** Pink
- **Voiced by:** Shirotsuki Kaname

### Tonomiya Ren (兎ノ宮 恋)
- **Gender:** Female
- **Hair:** Black, Waist Length+, V Bangs, Sidehair
- **Body:** Teen, Slim, Pale, Big Breasts
- **Clothes:** Uniform, Knee-high Socks, Tank Top, Hairpin, Pleated Skirt, Sailor School Uniform
- **Eyes:** Amber, Tsurime
- **Personality:** Airhead, Relaxed, Kind, Naive, Brother Complex, Third Person
- **Role:** Full Sister, High School Student, Bisexual, Younger Sister
- **Voiced by:** Asaka Natsu

### Tonomiya Tsumugi (兎ノ宮 紬)
- **Gender:** Female
- **Hair:** Brown, Twin Tails, Waist Length+, Spiky Bangs, Sidehair
- **Body:** Teen, Slim, Pale, Big Breasts
- **Clothes:** Miniskirt, Knee-high Socks, Blouse, Band-aid, Pleated Skirt, String Ribbon Tie, Choker, Sailor School Uniform, Crotchless One Piece Micro Bikini
- **Role:** Full Sister, High School Student, Younger Sister
- **Subject of:** Pregnancy
- **Personality:** Smart, Brother Complex, Third Person, Insightful
- **Eyes:** Cyan
- **Voiced by:** Yukimura Toa

## Shops
- [Official Website](http://www.a-kaguya.com/products_HP/jk_imouto/top.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ012981.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1061976)

## Releases
### Japanese
- **2019-10-25**: JK Imouto. - Package Edition - [Official website](http://www.a-kaguya.com/products_HP/jk_imouto/top.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=28476), [Getchu](http://www.getchu.com/soft.phtml?id=1061976)
- **2019-10-25**: JK Imouto. - Download Edition - [Official website](http://www.a-kaguya.com/products_HP/jk_imouto/top.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=28476), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ012981.html), [Gyutto](https://gyutto.com/i/item226444), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0198787/), [DL.Getchu](http://dl.getchu.com/i/item4023961), [DMM](https://dlsoft.dmm.co.jp/detail/cveaa_0063/)

### Chinese (simplified)
- **2021-10-01**: JK Imouto. Machine translation patch - [Official website](https://2dfan.com/downloads/12878)
- **2024-05-30**: JK Imouto Sakura Translation patch - [Official website](https://2dfan.com/downloads/23045)

### English
- **2022-12-13**: JK Imouto. - [Official website](https://sugoivisualnovel.up.railway.app/vns/26382)

## Tags
ADV, Lesbian Sex, Blood-related Sister/Sister Incest, Blood-related Brother/Sister Incest, Brother/Sister Romance, Male Protagonist, Multiple Endings, Nameable Protagonist, Nukige, Time Travel, High Sexual Content, Group Sex of One Male and Several Females, Early Sexual Content, Pregnancy, Harem Ending, Perverted Protagonist, Female Domination, Defloration, Only Virgin Heroines, Wake-up Sex, Missionary Position, Sixty-nine, Twin Blowjob, Triple Blowjob, Intercrural Sex, Non-penetrative Sex, Only Good Endings, Cunnilingus, Brocon Heroine, Doggy Style, Female Ejaculation, Ejaculation Choice, Naked Sprites, Deepthroat, Sex with Sleepers, Cowgirl, Reverse Cowgirl, Only Protagonist's Sisters as Heroine(s), Standing Sex, Sitting Sex, Spoons, Discreet Sex, Gokkun, Highly Animated Sprites, Background Moans, Facesitting, Quickie Fix Position, Triple Boobjob, Bellyjob, Masturbation with Object, Forbidden Love, Amnesiac Protagonist, Invisibility, Anal Gaping, Pissing on Others, Penile Masturbation, High School Student Heroine, Heroine with Big Breasts, Inbreeding, Sounds of Copulation, Pregnant Sex, Only Blood-related Heroines, Protagonist's Younger Sister as a Heroine, Only Younger Heroines, Pregnancy Good Ending, Siscon Protagonist, Protagonist's Full Sister as a Heroine

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---
*View the full details at [pinovel.net/v26382](https://pinovel.net/v26382).*

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