---
title: "Anettai Chuuihou!?"
description: "The main character lost his parents when he was a kid. Since then, he has been living with his older sister.   But one day, he is separated from her due to some"
image: "https://t.vndb.org/cv/49/2149.jpg"
---

# Anettai Chuuihou!?

![Anettai Chuuihou!?](https://t.vndb.org/cv/49/2149.jpg)

**Alternative Title:** 姉ったい注意報!?

**Developer:** Nata de Koko

**Release date:** May 29, 2009

**Platform:** Windows

**Language:** Japanese

**Rating:** 6.7/10 (19 votes)

## Description
The main character lost his parents when he was a kid. Since then, he has been living with his older sister. 

But one day, he is separated from her due to some reasons. He, who is now in sackcloth and ashes, enters new school, but it is actually an all-girls' school. He is the one and only male student there! 
Surrounded by older students, his sex-filled school life begins...

[From ErogeShop]

## Characters
### Shiratori Tsubasa (白鳥 つばさ)
- **Gender:** Male
- **Role:** Orphan, Kouhai, High School Student, Younger Brother

### Inoguchi Tomoe (猪口 ともえ)
- **Gender:** Female
- **Hair:** Pink, Twin Tails, Waist Length+, Wavy, Curtained, Spiky Bangs, Parted in Middle
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Mini-dress, Necktie, Wristband, Miniskirt, Sports Shoes, Bell (accessory), No Panties, Body Ribbon, Ribbon Hair Tie, Pleated Skirt, Halterneck Dress, Over The Knee Socks, Tennis Outfit
- **Eyes:** Blue, Tareme
- **Role:** Friend, Student Council Member, High School Student, Ojousama
- **Engages in:** Tennis
- **Personality:** Strange, Energetic, Atashi, Loud
- **Subject of:** Piggyback Ride
- **Voiced by:** Kaneda Mahiru

### Inuzuka Aya (犬塚 文)
- **Gender:** Female
- **Hair:** Blue, Ahoge, Bob Cut, Short, Spiky Bangs
- **Clothes:** School Uniform, Necktie, Cross Necklace, Miniskirt, Pantyhose, Belt, Tank Top, One Piece Swimsuit, Bracelet, Skirt Suit, Torn Pantyhose (damaged)
- **Eyes:** Violet
- **Personality:** Friendly, Serious
- **Role:** Classmate, High School Student
- **Body:** Big Breast Sizes
- **Engages in:** Swimming
- **Items:** Notebook
- **Voiced by:** Azuma Karin

### Minami Makina (巳波 真姫名)
The student council president who is very awe-inspiring and admired by both students and teachers alike.

- **Gender:** Female
- **Hair:** Blond, Waist Length+, Wavy, Intake, Ringlet, Sidehair
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Necktie, Miniskirt, Thigh-high Stockings, Tank Top, Bikini, Ankle-Strap Shoes
- **Eyes:** Green
- **Role:** Student Council President, High School Student, Popular, Honor Student
- **Personality:** Honorable, Watashi, Charismatic
- **Voiced by:** Hokuto Minami

### Souma Misaki (相馬 美咲)
The protagonist's childhood friend. She often acts like his older sister because she is a year older than him, and has always been doting on him.

- **Gender:** Female
- **Hair:** Pink, Long, Straight, Spiky Bangs, Braided Crown
- **Body:** Teen, Slim, Pale, Big Breast Sizes
- **Clothes:** School Uniform, Dress, Necktie, Cardigan, T-shirt, Sport Bloomers, Knee-high Socks, Bikini, Naked Apron, Armband, Clothing with Ribbons, Pleated Skirt, Slit Skirt, Uwabaki
- **Engages in:** Cooking, Swimming
- **Eyes:** Blue
- **Personality:** Deredere, Kind
- **Role:** Childhood Friend, High School Student
- **Voiced by:** Enokizu Mao

### Koyasu Maria (子安 マリア)
- **Gender:** Female
- **Hair:** Black, Long, Spiky Bangs, Parted in Middle
- **Body:** Pale, Young-adult, Big Breast Sizes
- **Eyes:** Violet
- **Role:** Teacher
- **Voiced by:** Isshiki Hikaru

### Shiratori Yukine (白鳥 ゆきね)
- **Gender:** Female
- **Hair:** Brown, Ahoge, Waist Length+, Spiky Bangs, Sidehair
- **Body:** Teen, Slim, Pale
- **Eyes:** Tareme, Teal
- **Role:** Older Sister
- **Personality:** Mysterious
- **Clothes:** Pleated Skirt
- **Voiced by:** Nirai Kanai

### Uzuki Toko (卯月 兎子)
- **Gender:** Female
- **Hair:** Blond, Waist Length+, Kemonomimi, V Bangs, Sidehair
- **Body:** Slim, Pale, Young-adult
- **Eyes:** Amber, Tareme
- **Role:** Teacher
- **Personality:** Kind
- **Voiced by:** Kusayanagi Junko

## Shops
- [Official Website](https://web.archive.org/web/20090810090001/http://www.web-giga.com/natadecoco/index.htm)
- [Getchu](http://www.getchu.com/soft.phtml?id=604685)

## Releases
### Japanese
- **2009-05-29**: Anettai Chuuihou!? - First Press Edition - [Official website](https://web.archive.org/web/20090810090001/http://www.web-giga.com/natadecoco/index.htm), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=11926), [Getchu](http://www.getchu.com/soft.phtml?id=604685)

## Tags
ADV, Romance, Oneesan-type Heroine, Protagonist's Senpai as a Heroine, Male Protagonist, Multiple Endings, Teacher Heroine, Reverse Rape, High Sexual Content, Student Heroine, School Dormitory, All-girls School, Student Protagonist, Female Domination, Clumsy Heroine, Defloration, Anal Penetration, Only Virgin Heroines, Orphan Protagonist, Twin Tail Heroine, Missionary Position, Sixty-nine, Student Council President Heroine, Intercrural Sex, Naked Heroine with Apron, Cunnilingus, Brocon Heroine, Transfer Student Protagonist, Outdoor Sex, Colored Texts, Colored Name-tags, Bonus Side Stories, Cowgirl, Defloration During Common Route, Soapy Massage, High School Student Heroine, Blood-related Brother/Sister Incest, Protagonist's Sister as a Support Character, Protagonist's Childhood Friend as a Heroine

## More Games from Nata de Koko
- [Anettai Chuuihou!?](https://pinovel.net/v1759)

---
*View the full details at [pinovel.net/v1759](https://pinovel.net/v1759).*

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```