---
title: "Hatsujou Tenkousei"
description: "Kaguya transfers to Taichi's class and proceeds to seduce him and their classmate Miyabi. Under her influence, ecchi becomes popular in Taichi's class.  It is u"
image: "https://t.vndb.org/cv/24/6424.jpg"
---

# Hatsujou Tenkousei

![Hatsujou Tenkousei](https://t.vndb.org/cv/24/6424.jpg)

**Alternative Title:** 発情てんこうせい

**Developer:** Sol-fa-soft

**Release date:** Apr 22, 2007

**Platform:** Windows

**Language:** Japanese

**Rating:** 6.2/10 (15 votes)

## Description
Kaguya transfers to Taichi's class and proceeds to seduce him and their classmate Miyabi. Under her influence, ecchi becomes popular in Taichi's class.

It is up to Taichi, whether to give into temptation or not. What will he do?

## Characters
### Suzushiro Taichi (鈴城 太一)
- **Gender:** Male
- **Hair:** Brown, Spiky Bangs
- **Body:** Pale, Kid
- **Clothes:** School Uniform, T-shirt, Shorts
- **Eyes:** Hidden
- **Personality:** Ore
- **Role:** Son, Boyfriend, Childhood Friend, Classmate, Elementary School Student
- **Subject of:** Teasing

### Takamizawa Miyabi (高見沢 みやび)
- **Gender:** Female
- **Hair:** Black, Short, Straight, V Bangs, Spiky Bangs
- **Eyes:** Brown, Tareme
- **Body:** Pale, Kid, Flat Chest
- **Clothes:** T-shirt, Skirt, Hairpin, Naked, Panties, No Panties, Ankle Socks, Old Type School Swimsuit, Naked in Front of an Audience
- **Role:** Girlfriend, Friend, Childhood Friend, Classmate, Exhibitionist, Elementary School Student
- **Personality:** Watashi

### Tsukimachi Kaguya (月町 かぐや)
- **Gender:** Female
- **Hair:** Blond, Twin Tails, V Bangs, Spiky Bangs, Parted in Middle
- **Eyes:** Brown, Tareme
- **Body:** Pale, Kid, Flat Chest
- **Clothes:** Skirt, Naked, Panties, No Panties, Ribbon Hair Tie, Ankle Socks, Old Type School Swimsuit, Naked in Front of an Audience
- **Personality:** Pervert, Watashi, Promiscuous
- **Role:** Friend, Classmate, Transfer Student, Not a Virgin, Exhibitionist, Elementary School Student

### Taichi's Mother (母親)
- **Gender:** Female
- **Personality:** Friendly, Cheerful
- **Role:** Mother
- **Engages in:** Teasing, Not Sexually Involved

## Shops
- [Official Website](http://www.solfa.jp/19/)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ030892.html)

## Releases
### Japanese
- **2007-04-22**: Hatsujou Tenkousei - CD-ROM Edition - [Official website](http://www.solfa.jp/19/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=9238)
- **2007-04-27**: Hatsujou Tenkousei - Download Edition - [Official website](http://www.solfa.jp/19/), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ030892.html), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0010047/), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=967221), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_013665/)

## Tags
ADV, Multiple Endings, Loli Heroine, Protagonist's Childhood Friend as a Heroine, Nukige, Group Sex of One Male and Several Females, Heroine with Sexual Experience, Child Protagonist, Transfer Student Heroine, Branching Plot, Shota Protagonist, Group Sex of Multiple Females and Males, Defloration, Summer, Exhibitionism, Twin Tail Heroine, Missionary Position, Promiscuous Heroine, Unlockable Choices, Consensual Group Sex of One Female and Several Males, Elementary School, Elementary School Student Heroine, Outdoor Sex, Only Loli Heroines, Naked Sprites, Elementary School Student Protagonist, Varied Title Screens, Sitting Sex, Bathroom Sex, Sex in Front of an Audience, Sex Involving Children, Quickie Fix Position, Sex at School, Perverted Heroine, Double Handjob, Heroine Having Sex with Others, Single Blowjob, Pissing, Straight Lolicon, Unlock All Scenes Option, Straight Shotacon

## More Games from Sol-fa-soft
- [Lolikko Roshutsu Club ~Mebae Hajimeta Kimochi~](https://pinovel.net/v4870)
- [Nana-chan to A-so-bo](https://pinovel.net/v4871)
- [Lolikko Ryoujoku Club](https://pinovel.net/v4873)
- [Ojou-sama no Himitsu!](https://pinovel.net/v4874)
- [Abunai Natsuyasumi](https://pinovel.net/v4875)
- [Otokoyu ni Haittekita Onna no Ko o Dou Suru ka](https://pinovel.net/v4877)
- [Yuuwaku na Otoshigoro](https://pinovel.net/v4887)
- [Sol-fa-soft Manatsu no Otanoshimi CD](https://pinovel.net/v21101)
- [H na Oisha-san](https://pinovel.net/v4888)
- [Sol-fa-soft Mafuyu no Otoshidama CD](https://pinovel.net/v21100)
- [Princess Pianissimo ~Naisho no Beyer~](https://pinovel.net/v4889)
- [Asarori](https://pinovel.net/v4890)
- [Sol-fa-soft Manatsu no Omachikane CD](https://pinovel.net/v21117)
- [Ningyou no Yume to Mezame](https://pinovel.net/v4891)
- [Roshutsu de Asobou](https://pinovel.net/v5170)
- [Onsen Hotel xx Daisakusen](https://pinovel.net/v5171)
- [Sol-fa-soft Manatsu no Osawagase CD](https://pinovel.net/v21125)
- [Iinchou wa Kesseki Chuu!](https://pinovel.net/v5172)
- [Princess Fortissimo](https://pinovel.net/v5173)
- [Sukumizu Fuyouron](https://pinovel.net/v5174)
- [Nana-chan to Issho](https://pinovel.net/v5175)
- [Sol-fa-soft Mafuyu no Oomisoka CD](https://pinovel.net/v21345)
- [Hatsujou Tenkousei](https://pinovel.net/v5176)
- [Watashi no Tamago-san](https://pinovel.net/v5177)
- [Shuugaku Ryokou Yofukashi Gumi](https://pinovel.net/v5178)
- [Oboetate Kids](https://pinovel.net/v5179)
- [Hajimete no Ofuroya-san](https://pinovel.net/v5180)
- [Chicchai Miko-san SOS](https://pinovel.net/v5181)
- [Hakiwasure Aikoukai](https://pinovel.net/v5182)
- [Asappara kara Hatsujou Kazoku](https://pinovel.net/v5183)
- [Tonari no Vampire](https://pinovel.net/v5184)
- [Mugiwara Boushi to Suihen no Yousei](https://pinovel.net/v5185)
- [Umi to Onsen to Natsuyasumi](https://pinovel.net/v4376)
- [Dagashiya-san Hanjouki](https://pinovel.net/v5186)
- [Yukata no Shita wa ... ~Jinja de Hakken! No Pan Shoujo~](https://pinovel.net/v5187)
- [Sol-fa-soft Manatsu no Okiraku CD](https://pinovel.net/v24670)
- [Pool no Jikan Sukumizu Fuyouron 2](https://pinovel.net/v13773)
- [Imouto no Otomari Kai](https://pinovel.net/v13772)
- [Usugi Shoujo](https://pinovel.net/v13771)
- [Ayame Princess Intermezzo](https://pinovel.net/v13770)
- [Kawabe de Deatta Tenshi-tachi](https://pinovel.net/v19058)
- [Sana-chan no Himitsu Kichi](https://pinovel.net/v19083)
- [Otokoyu de Deatta Shoujo Akane](https://pinovel.net/v13262)
- [Hatsujou Gakuen ni Tenkou Shimashita.](https://pinovel.net/v13769)
- [Otokoyu ni Haittekita Onna no Ko o Dou Suru ka 2](https://pinovel.net/v14330)
- [Danshi Kouishitsu de Deatta Shoujo Honoka](https://pinovel.net/v14418)
- [Sana-chan to Umi no Ie](https://pinovel.net/v14618)
- [Ojou-sama no Hima Tsubushi](https://pinovel.net/v19084)
- [●witter de Deatta Shoujo Yuuna](https://pinovel.net/v14928)
- [Onii-chan no Ofuro Soudanshitsu](https://pinovel.net/v16235)
- [Atarashii Digital Camera o Katta.](https://pinovel.net/v15800)
- [Mizuabi Kouen de Deatta Shoujo Runa](https://pinovel.net/v15685)
- [Chicchai Idol DVD no Tsukurikata](https://pinovel.net/v16039)
- [Bokura no Roshutsu Game](https://pinovel.net/v19085)
- [Natsu Matsuri de Deatta Shoujo Kanade](https://pinovel.net/v16445)
- [Kawa to Shoujo to Tokimeki Camping](https://pinovel.net/v17832)
- [Otokoyu ni Haittekita Onna no Ko o Dou Suru ka 3](https://pinovel.net/v19089)
- [Inaka Ecchi](https://pinovel.net/v18901)
- [Sol-fa-soft Manatsu no Omotenashi CD](https://pinovel.net/v24673)
- [Mizuabitch](https://pinovel.net/v19132)
- [Inu to Onna no Ko](https://pinovel.net/v19710)
- [Sana-chan no Undoukai](https://pinovel.net/v24672)
- [Himitsu no Nude Dessin](https://pinovel.net/v19969)
- [Baretara Soku Taiho! Lolikko Tousatsu Daisakusen](https://pinovel.net/v20408)
- [Bishonure Kids ~Mizudeppou de Nureta Onna no Ko~](https://pinovel.net/v20473)
- [Shiriai no Ko ni Chikan Shite Mita Kekka www](https://pinovel.net/v20474)
- [Bokura no Roshutsu Game 2](https://pinovel.net/v27956)
- [Onna no Ko Shoukougun](https://pinovel.net/v21541)
- [Utapako](https://pinovel.net/v27096)
- [Kyou no Ako-chan](https://pinovel.net/v22373)
- [Chicchai Idol DVD no Tsukurikata 2](https://pinovel.net/v23297)
- [Mizuabi Camisole ~Roshutsu e no Shoutai~](https://pinovel.net/v31895)
- [Otokoyu de Deatta Shoujo Chisa](https://pinovel.net/v31896)
- [Shinseki no Gaki o 1-nichi Azukatta Kekka www](https://pinovel.net/v31897)
- [Yakyuuken de Pakopako Batsu Game ~Shinseki no Onna no Ko~](https://pinovel.net/v28156)
- [Yakyuuken de Pakopako Batsu Game ~Kouen no Mesu Gaki~](https://pinovel.net/v31898)
- [Yakyuuken de Pakopako Batsu Game ~Ojou-sama no Hatsutaiken~](https://pinovel.net/v31899)
- [Asarori 2](https://pinovel.net/v31294)
- [Yakyuuken de Pakopako Batsu Game ~Classmate no Bantou-san~](https://pinovel.net/v30735)
- [Alice in Kenkou Land](https://pinovel.net/v32727)
- [Otokoyu Classmate](https://pinovel.net/v35875)
- [Mesugaki de Gyaru Mei to Enkou Seikatsu!?](https://pinovel.net/v62142)

---
*View the full details at [pinovel.net/v5176](https://pinovel.net/v5176).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v5176#game","name":"Hatsujou Tenkousei","description":"Kaguya transfers to Taichi's class and proceeds to seduce him and their classmate Miyabi. Under her influence, ecchi becomes popular in Taichi's class.  It is u","url":"https://pinovel.net/v5176","image":"https://t.vndb.org/cv/24/6424.jpg","author":{"@type":"Organization","name":"Sol-fa-soft"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"6.2","bestRating":10,"worstRating":1,"ratingCount":15}}
```