---
title: "Saiin ~Namaiki na Onna-tachi no Naka e Sign-in!~"
description: "The protagonist tried to be a proper teacher, and forget about his hypnosis ability. But getting annoyed and bullied by one of his students, Asakura Saori, he e"
image: "https://t.vndb.org/cv/00/140000.jpg"
---

# Saiin ~Namaiki na Onna-tachi no Naka e Sign-in!~

![Saiin ~Namaiki na Onna-tachi no Naka e Sign-in!~](https://t.vndb.org/cv/00/140000.jpg)

**Alternative Title:** 催淫～生意気な女達の中へサインイン！～

**Aliases:** Sai(n)in - Audacious Girls Inside!

**Developer:** Schwarz Lanzenreiter

**Release date:** Dec 29, 2010

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 5.7/10 (6 votes)

## Description
The protagonist tried to be a proper teacher, and forget about his hypnosis ability.
But getting annoyed and bullied by one of his students, Asakura Saori, he eventually lose control, and decide to take revenge on her with his ability.

## Characters
### Asakura Saori (麻倉沙織)
- **Gender:** Female
- **Measurements:** Height: 154cm, Bust-Waist-Hips: 77-53-78cm, A cup
- **Hair:** Brown, Waist Length+, Sidehair
- **Clothes:** School Uniform, Miniskirt, Knee-high Socks, Shimapan, New Type School Swimsuit
- **Role:** Student
- **Eyes:** Blue
- **Engages in:** Bullying
- **Subject of:** Hypnotism, Mind Control
- **Voiced by:** Nagi

### Tsukino Nana (月野 奈々)
- **Gender:** Female
- **Measurements:** Height: 162cm, Bust-Waist-Hips: 87-57-88cm, D cup
- **Hair:** Violet, Long, Sidehair
- **Role:** Student
- **Eyes:** Green
- **Clothes:** Glasses, Miniskirt, Thigh-high Stockings
- **Subject of:** Nymphomania, Hypnotism, Mind Control
- **Voiced by:** Onohara Maimi

## Shops
- [Official Website](http://schwarzlanzenreiter.com/saiin/top.html)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ071512.html)

## Releases
### Japanese
- **2010-12-29**: Saiin ~Namaiki na Onna-tachi no Naka e Sign-in!~ Package Edition - [Official website](http://schwarzlanzenreiter.com/saiin/top.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=14829)
- **2010-12-31**: Saiin ~Namaiki na Onna-tachi no Naka e Sign-in!~ Download Edition - [Official website](http://schwarzlanzenreiter.com/saiin/top.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=14829), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ071512.html), [Gyutto](https://gyutto.com/i/item54839), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0048336/), [DL.Getchu](http://dl.getchu.com/i/item11219), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_032931/), [DMM](https://dlsoft.dmm.co.jp/detail/ranc_0005/)
- **2011-04-15**: Saiin ~Namaiki na Onna-tachi no Naka e Sign-in!~ DVDPG - [Official website](http://blueberry-soft.com/bbscpg/bbscpg002.htm), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=1223bbscpg002_m/)

## Tags
ADV, Heroine with Glasses, Group Sex of One Male and Several Females, Student Heroine, Teacher Protagonist, Nympho Heroine, Erotic Mind Control, Vibrators, Defloration, Sex in Public Places, Anal Penetration, Boobjob, Fisting, Heroine with Swimsuits, Sixty-nine, Handjob, Mind Control, Twin Blowjob, Object Insertion, Consensual Group Sex of One Female and Several Males, Naked Sprites, Fingering, Cowgirl, Tribadism on Penis, Nukige

## More Games from Schwarz Lanzenreiter
- [Inma no Tane ~Fukushuu no Shokushu Kan~](https://pinovel.net/v12295)
- [Ane x Osa](https://pinovel.net/v12298)
- [Kemono no Ikenie](https://pinovel.net/v12307)
- [Soukan Chiryou Byoutou ~Nurse wa Mama De, Joi wa Oba](https://pinovel.net/v12308)
- [Saiin ~Namaiki na Onna-tachi no Naka e Sign-in!~](https://pinovel.net/v12095)
- [Daraku Koujo ~Majutsushi no Wana ni Hamatta Seijo~](https://pinovel.net/v12311)
- [Haniwari! Sayaka Ojou-sama ~Kansen Suru Kokan no Ooki na Mono~](https://pinovel.net/v12315)
- [Monmusu Ranbu ~Mou Yamero, Ore no Seiryoku wa 0 Nanda...!~](https://pinovel.net/v12853)

---
*View the full details at [pinovel.net/v12095](https://pinovel.net/v12095).*

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