---
title: "Kubiwa Gakkyuu Boku wa Osananajimi-sama no Shimobe Desu"
description: "The protagonist, Yuuta, is a somewhat timid boy. The story begins when he accidentally licks the recorder left behind by Hinagiku, the girl he has a crush on.  "
image: "https://t.vndb.org/cv/21/10321.jpg"
---

# Kubiwa Gakkyuu Boku wa Osananajimi-sama no Shimobe Desu

![Kubiwa Gakkyuu Boku wa Osananajimi-sama no Shimobe Desu](https://t.vndb.org/cv/21/10321.jpg)

**Alternative Title:** くびわ学級 ボクは幼なじみ様のしもべです

**Developer:** AHAAN

**Release date:** Jan 20, 2012

**Platform:** Windows

**Language:** Japanese, English

**Rating:** 5.1/10 (22 votes)

## Description
The protagonist, Yuuta, is a somewhat timid boy.
The story begins when he accidentally licks the recorder left behind by Hinagiku, the girl he has a crush on.

His actions are witnessed by Nogiku, Hinagiku’s mischievous younger sister and classmate, who even takes a photo of him in the act.
From that day on, he’s blackmailed into becoming her personal slave…

[Translated from [dlsite](https://www.dlsite.com/pro/work/=/product_id/VJ006679.html/)]

## Characters
### Shima Yuuta (島 優太)
- **Gender:** Male
- **Hair:** Black, Ahoge, Short
- **Engages in:** Cross-dressing
- **Body:** Teen, Slim, Pale
- **Clothes:** Trousers, Necktie, Shirt, Miniskirt, Bondage Harness, Bondage Mask, Slave Collar, Pet Collar, Blazer School Uniform
- **Eyes:** Blue, Tareme
- **Subject of:** Bullying, Blackmail
- **Items:** Flute
- **Personality:** Opposite Gender Voiced
- **Voiced by:** Momozono Kaoru

### Izumi Hinagiku (出水 ひなぎく)
- **Gender:** Female
- **Hair:** Waist Length+, Straight, Orange
- **Body:** Teen, Slim, Pale, Big Breasts
- **Eyes:** Green, Tareme
- **Clothes:** Miniskirt, Pantyhose, Ribbon Tie, Rubber Band With Beads, Blazer School Uniform
- **Personality:** Refined, Kind, Mature
- **Role:** Popular, Older Sister
- **Voiced by:** Kasuga An

### Izumi Nogiku (出水 のぎく)
- **Gender:** Female
- **Hair:** Twin Tails, Waist Length+, Straight, Orange
- **Body:** Teen, Slim, Pale, Big Breasts
- **Clothes:** School Uniform, Cardigan, Miniskirt, Thigh-high Stockings, Ribbon Tie, Hair Tie
- **Eyes:** Green
- **Engages in:** Bullying, Blackmail
- **Role:** Full Sister, Classmate, Younger Sister, Dominatrix
- **Voiced by:** Kasuga An

### Shima Fumie (島 史恵)
- **Gender:** Female
- **Hair:** Black, Long, Curtained, Parted to Side
- **Body:** Slim, Pale, Young-adult, Mole
- **Eyes:** Blue
- **Clothes:** Cardigan, Thigh-high Boots, Veil, Hair Tie, Slit Skirt, Bondage Mask, Slave Collar, Turtleneck Tank Top, Off-The-Shoulder Sweater, Lace Band Thigh-high Stockings
- **Role:** Mother, Single Parent
- **Voiced by:** Kono Kanami

## Shops
- [Official Website](http://ahaan.net/products_05.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ006679.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=718953)

## Releases
### Japanese
- **2012-01-20**: Kubiwa Gakkyuu Boku wa Osananajimi-sama no Shimobe Desu - Download Edition - [Official website](http://ahaan.net/products_05.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=16082), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ006679.html), [Gyutto](https://gyutto.com/i/item75468), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0064247/), [DL.Getchu](http://dl.getchu.com/i/item1003681), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_0678/)
- **2012-02-24**: Kubiwa Gakkyuu Boku wa Osananajimi-sama no Shimobe Desu - Package Edition - [Official website](http://ahaan.net/005/newtitle.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=16082), [Getchu](http://www.getchu.com/soft.phtml?id=718953)

### English
- **2025-05-13**: I'm a Servant of my Childhood Friend-sama

## Tags
Male on Male Sex, Single Ending, Bullying, Reverse Rape, Blackmail, Shota Protagonist, Female Domination, Torture, Cross-dressing, Extremely (un)Lucky Protagonist, Pegging, Submissive Protagonist, Legwear Footjob, Single Footjob, Heroine with Big Breasts, Trap Protagonist, Protagonist with Voice Acting, Nukige

## More Games from AHAAN
- [Ore no Ane ga Konna ni Hinnyuu no Wake ga Nai!?](https://pinovel.net/v4339)
- [Funin Chiryou](https://pinovel.net/v5294)
- [Oyako Donburi wa Ikka Danran no Mae ni H na Oyako wa Suki Desu ga?](https://pinovel.net/v11169)
- [Akogare no Onee-san o, Kon'yakusha kara Netoru Houhou](https://pinovel.net/v10010)
- [Kubiwa Gakkyuu Boku wa Osananajimi-sama no Shimobe Desu](https://pinovel.net/v8090)

---
*View the full details at [pinovel.net/v8090](https://pinovel.net/v8090).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v8090#game","name":"Kubiwa Gakkyuu Boku wa Osananajimi-sama no Shimobe Desu","description":"The protagonist, Yuuta, is a somewhat timid boy. The story begins when he accidentally licks the recorder left behind by Hinagiku, the girl he has a crush on.  ","url":"https://pinovel.net/v8090","image":"https://t.vndb.org/cv/21/10321.jpg","author":{"@type":"Organization","name":"AHAAN"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"5.1","bestRating":10,"worstRating":1,"ratingCount":22}}
```