---
title: "Hatsujou Inflation ~Ki ni naru Ano Ko no Midare Switch~"
description: "Kazama Souta is a typical idiot virgin loser. Until he buys a handbook for turning on a girl's \"Switch\" to induce in her overwhelming sexual desire. After month"
image: "https://t.vndb.org/cv/53/94953.jpg"
---

# Hatsujou Inflation ~Ki ni naru Ano Ko no Midare Switch~

![Hatsujou Inflation ~Ki ni naru Ano Ko no Midare Switch~](https://t.vndb.org/cv/53/94953.jpg)

**Alternative Title:** 発情インフレーション 〜気になるあの子の淫れスイッチ〜

**Developer:** seal-tutu

**Release date:** Aug 26, 2016

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 6.3/10 (55 votes)

## Description
Kazama Souta is a typical idiot virgin loser. Until he buys a handbook for turning on a girl's "Switch" to induce in her overwhelming sexual desire. After months of practice with a Dutch Wife Souta finally graduates from being a virgin. It's mating season! Put the girls in heat, make them your meat slave. Souta becomes a 'Switch' master.

Souta uses his technique on the girls closest to him. His childhood friends Nanaka and Iori, the student council president Alice, and his sister Eiri. When he turns on their 'Switch' they can't control themselves. They beg for his seed and won't stop till he plants it deep inside. Is it all fun and games or are they actually in love? A wonderful school life starts anew!

## Characters
### Kazama Souta (風間 颯太)
- **Gender:** Male
- **Hair:** Brown
- **Body:** Teen, Pale
- **Clothes:** School Uniform, Pet Collar
- **Eyes:** Hidden
- **Personality:** Ore, Pervert, Womanizer, Sister Complex
- **Role:** Childhood Friend, High School Student, Older Brother

### Ayasaki Nanaka (綾崎 七花)
The childhood friend of the Kazama siblings. A shy girl who doesn't stand out and cries easily, but also has a bright personality. Was often bullied when she was younger, but was always protected by [url=/c47705]Iori[/url] whom Nanaka is attached to like glue.

[spoiler]Her fetishes are sex in public spaces and being watched.

- **Gender:** Female
- **Measurements:** Height: 154cm, Bust-Waist-Hips: 88-57-81cm, F cup
- **Hair:** Blue, Twin Tails, Long, Spiky Bangs, Shaggy
- **Body:** Teen, Pale
- **Clothes:** School Uniform, Knee-high Socks, Hair Tie
- **Eyes:** Amber, Tareme
- **Personality:** Reserved, Shy, Naive, Watashi, Sensitive
- **Subject of:** Bullying
- **Role:** Childhood Friend, Classmate, High School Student
- **Voiced by:** Ayase Yuri

### Kazama Eiri (風間 瑛理)
[url=/c47708]Souta's[/url] younger sister who has good grades, looks and is also a master at all kinds of household chores. She is also a member of the swimming club. She is devoted to her brother and also in love with him.

[spoiler]Her fetish is committing incest.[/spoiler]

- **Gender:** Female
- **Measurements:** Height: 154cm, Bust-Waist-Hips: 84-55-80cm, D cup
- **Hair:** Shoulder-length, Straight, Spiky Bangs, Parted to Side, Orange
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Knee-high Socks, Sports Swimsuit
- **Eyes:** Blue, Tareme
- **Personality:** Friendly, Naive, Smart, Brother Complex, Watashi
- **Subject of:** Molesting, Pregnancy
- **Role:** Full Sister, High School Student, Popular, Younger Sister, School Swimming Club Member
- **Engages in:** Lactation
- **Voiced by:** Nonohara Madoka

### Mitsuzuri Iori (美綴 伊織)
The Kazama siblings' and [url=/c47704]Nanaka's[/url] childhood friend. When they were kids, Iori would always protect Nanaka from bullies, and in contrast to her as well, Iori has a much more energetic and outgoing personality. Because of the fact that she is able to go against boys in fights (or so the rumors say), she has become very popular with girls. Her most latest topic of worry is that her breasts much smaller than anyone else's.

[spoiler]Her fetish is anal sex.[/spoiler]

- **Gender:** Female
- **Measurements:** Height: 162cm, Bust-Waist-Hips: 84-59-82cm, C cup
- **Hair:** Red, Ponytail, Shoulder-length, Straight, Spiky Bangs
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Necklace, Cardigan, T-shirt, Sport Bloomers, Thigh-high Stockings, Ribbon Hair Tie, Shimapan
- **Eyes:** Amber, Pink, Tsurime
- **Personality:** Outgoing, Strict, Energetic, Protective, Watashi
- **Role:** Childhood Friend, Student Council Member, High School Student, Popular
- **Voiced by:** Mizuno Nanami

### Tokisaka Arisu (朱鷺坂 アリス)
The student council president and the principal's granddaughter. She is popular with both men and women because of her appearance, but in reality she is quite the mischievous devil. She is bored because her day-to-day life remains completely same without any kind of change. But one day, she accidentally finds out about [url=/c47708]Souta's[/url] weakness and starts teasing him over it.

[spoiler]Her fetishes are being treated as a pet and becoming a public cum dumpster.[/spoiler]

- **Gender:** Female
- **Alias:** 朱鷺坂 有栖
- **Measurements:** Height: 160cm, Bust-Waist-Hips: 86-59-84cm, E cup
- **Hair:** Blond, Twin Tails, Waist Length+, Spiky Bangs, Sidehair
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Thigh-high Stockings, Naked, Ribbon Hair Tie, Slave Collar
- **Eyes:** Green, Tsurime
- **Personality:** Friendly, Mischievous, Whimsical, Sharp-tongued, Watashi, Promiscuous
- **Role:** Granddaughter, Student Council President, High School Student, Ojousama
- **Engages in:** Teasing
- **Voiced by:** Koto Kotori

## Shops
- [Official Website](http://softhouse-seal.com/product/m002-hatsujo/index.html)

## Releases
### Japanese
- **2016-08-26**: Hatsujou Inflation ~Ki ni naru Ano Ko no Midare Switch~ Package Edition - [Official website](http://softhouse-seal.com/product/m002-hatsujo/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23724)
- **2016-08-26**: Hatsujou Inflation ~Ki ni naru Ano Ko no Midare Switch~ Download Edition - [Official website](http://softhouse-seal.com/product/m002-hatsujo/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23724), [DMM](https://dlsoft.dmm.co.jp/detail/hobc_0509/)
- **2018-11-16**: Hatsujou Inflation ~Ki ni naru Ano Ko no Midare Switch~ DVDPG - [Official website](https://hobicolle.com/detail/?t=370), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=hcdp092/)

## Tags
ADV, Vibrators, Nukige, Blood-related Brother/Sister Incest, Male Protagonist, Multiple Endings, Ojousama Heroine, Protagonist's Childhood Friend as a Heroine, Group Sex of One Male and Several Females, Group Sex of One Female and Several Males, Pregnant Sex, Student Protagonist, Swimming Club, Perverted Protagonist, Other Perspectives, Blackmail, Ponytail Heroine, Urination Fetish, Sex in Public Places, Anal Penetration, Footjob, Boobjob, Only Virgin Heroines, Fisting, Heroine with Swimsuits, Twin Tail Heroine, Sixty-nine, Promiscuous Heroine, Sounds of Copulation, Blowjob, Student Council President Heroine, Mind Control, Student Council Member Heroine, Brocon Heroine, Outdoor Sex, Colored Name-tags, Few Choices, Naked Sprites, Petplay, Fingering, Siscon Protagonist, Cowgirl, Reverse Cowgirl, Wax Play, Sexual Slavery (Consensual), Defloration During Common Route, Sitting Sex, Clamps (BDSM), Sex in Front of an Audience, Background Moans, Quickie Fix Position, Suspension Bondage, Double Penetration (Group Sex), Heroine Having Sex with Others, High School Student Heroine, Public Use (Consensual), Protagonist's Younger Sister as a Heroine, Protagonist's Full Sister as a Heroine, Inbreeding

## More Games from seal-tutu
- [JK Bitch Pakopako Life](https://pinovel.net/v18426)
- [Hatsujou Inflation ~Ki ni naru Ano Ko no Midare Switch~](https://pinovel.net/v18354)
- [Fuu☆Gaku ~Hisshuu Kamoku wa Sei Jitsugi! H na Jugyou de One Two Step~](https://pinovel.net/v20410)
- [Joshikousei ga Konna ni Chikan-zuki na Wake ga Nai!](https://pinovel.net/v21014)
- [Isekai Fuuzoku, Hajimemashita!? ~Tensei Shitara Harem Seikatsu ga Mattemashita~](https://pinovel.net/v21708)

---
*View the full details at [pinovel.net/v18354](https://pinovel.net/v18354).*

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