---
title: "Bosei ~Mama Club~"
description: "The main character, Yuuichi, is a boy who loves his stepmother, Misako. However, it was a typical mother-son relationship until he learned about the \"Mama Club\""
image: "https://t.vndb.org/cv/14/99114.jpg"
---

# Bosei ~Mama Club~

![Bosei ~Mama Club~](https://t.vndb.org/cv/14/99114.jpg)

**Alternative Title:** 母性～ママクラブ～

**Aliases:** Mama Club 1

**Developer:** Complet's

**Release date:** Jun 6, 2003

**Platform:** Windows, DVD

**Language:** Japanese, English

**Rating:** 6.5/10 (83 votes)

## Description
The main character, Yuuichi, is a boy who loves his stepmother, Misako. However, it was a typical mother-son relationship until he learned about the "Mama Club".

A secret club at the school that matches boys interested in sex with mothers with incestuous desires. Together, they seek out and enjoy pseudo-incest, that is "mama club"...

Yuuichi accidentally discovers this secret is blackmailed into becoming a member and pressured into having sex with the mothers. Unable to resist the pleasure, he spends his days having sex with an unspecified number of "mama's".

This causes a change in Yuuichi's love for his mother, Misako. What he truly seeks while drowning in pleasure is his stepmother. On the other hand, what are Misako's feelings for Yuuichi...?

[From [official site](http://www.complets.co.jp/complet's/mama-club.html)]

## Characters
### Tanabe Yuuichi (田辺 友一)
The main character in this story. Yuuichi thought that Misako was his only mother, but one day Misako confesses to him that she is his step mother. Yuuichi however views Misako as his actual "mother" and has no reason to dislike her.

One day, Tomokazu accidentally learns of the existence of "mama club" and Chie blackmails him to join, and ends up participating in "club activities" with an unspecified number of "mamas.

This caused unrest in his mind regarding vague "feelings" in Yuuichi's, and his love for his step mother Misako transformed into something else...

[From [url=http://www.complets.co.jp/complet's/mama-club.html]official site[/url]]

- **Gender:** Male
- **Alias:** ゆうちゃん (Yuu-chan)
- **Hair:** Black
- **Clothes:** Sweater, Sports Shoes, Knee-high Socks, Bow Tie, Name Tag, Short Shorts
- **Eyes:** Black
- **Body:** Kid
- **Subject of:** Blackmail, Seduction, Guilt
- **Personality:** Timid, Naive
- **Role:** Non-blood-related Son, Elementary School Student, Health Committee Member

### Nakayama Yoshie (中山 芳枝)
Mother of Yuuichi's bestfriend, Nakayama-kun and a friend of Chie from school, she often goes to the infirmary for counseling.

She also has a close relationship with Misako as fellow parents. Yuuichi also knows her because he often visits her house. When Yuuichi becomes active in "club activities", she seduces him into a physical relationship.

Yuuichi feels guilty having sex with his best friend's mother, Yoshie however is all smiles. Just what is the whole story behind them...?

[From [url=http://www.complets.co.jp/complet's/mama-club.html]official site[/url]]

- **Gender:** Female
- **Hair:** Brown, Bun, Spiky Bangs, Pubic Hair
- **Eyes:** Brown
- **Body:** Adult, Big Breasts
- **Clothes:** Skirt, Off-The-Shoulder Sweater
- **Role:** Mother, Not a Virgin, Housewife
- **Engages in:** Infidelity, Seduction
- **Personality:** Promiscuous, Observant

### Tanabe Misako (田辺 美佐子)
Yuuichi's step mother. She used to be a nurse and by coincidence was in charge of caring for Yuuichi's biological mother who died after childbirth. After Yuuichi's birth, she supported his father who was mentally devastated. She went on to marry him and raise Yuuichi has her own.


To Tomoichi, she is a kind, beautiful, and proud mother. Of course, Misako also views Yuuichi as a lovely son.

While on the surface, Misako and Yuuichi have a friendly and loving mother son relationship, on the inside she is confused by the fact that she has developed feeling for him and the love she has for Yuuichi is different to that of a mother.

She is unaware of the fact that Yuuichi is a member of "mama club"...

[From [url=http://www.complets.co.jp/complet's/mama-club.html]official site[/url]]

- **Gender:** Female
- **Hair:** Black, Bun, Parted in Middle, Pubic Hair
- **Eyes:** Black
- **Body:** Adult, Makeup, Big Breasts
- **Clothes:** Skirt, Blouse
- **Personality:** Deredere, Kind, Loyal, Promiscuous, Son Complex
- **Role:** Nurse, Not a Virgin, Non-blood-related Mother, Housewife, Lonely
- **Engages in:** Infidelity
- **Subject of:** Guilt

### Yokoyama Chie (横山 千恵)
The School nurse at the school Yuuichi attends. In addition to her daily health care duties, she takes on visitors at the school infirmary or does home visits to provide counseling to parents and students.

During her counseling, she noticed that there are mothers who have incestuous desires as well as boys who developed interest in sex earlier than others. As a result she founded the "mama club".

She typically only manages the administration of the club but from time to time also engages in "club activities".
 
[From [url=http://www.complets.co.jp/complet's/mama-club.html]official site[/url]]

- **Gender:** Female
- **Hair:** Brown, Short, Parted in Middle, Pubic Hair
- **Eyes:** Brown
- **Body:** Adult, Big Breasts
- **Clothes:** Glasses, Skirt, Lab Coat, Blouse
- **Role:** Divorcee, Mother, Not a Virgin, School Nurse, Therapist
- **Engages in:** Blackmail
- **Personality:** Pessimist, Pragmatic, Promiscuous, Observant
- **Subject of:** Guilt, Disownment
- **Voiced by:** Kaneda Mei

### Mama Club Member A
There are more than a dozen adult members but only four appear in the visual novel. No proper name has been established for any of them.

They all have sons and are married women in their 30's. They satisfy their own incestuous desires with other people's sons by joining the "mama club".  They always respond honestly to the desires of the boys', sometimes gently, sometimes harsh. 

They tend to take the lead with Yuuichi who is a beginner and provide him the appropriate sex education.

[From [url=http://www.complets.co.jp/complet's/mama-club.html]official site[/url]]

- **Gender:** Female
- **Hair:** Black, Long, Straight, No Bangs, Pubic Hair
- **Eyes:** Black
- **Body:** Adult, Big Breasts
- **Clothes:** Headband, Tracksuit, Crotchless One Piece Swimsuit
- **Personality:** Carefree, Promiscuous
- **Role:** Mother, Not a Virgin, Housewife, Not an Anal Virgin
- **Engages in:** Blackmail, Infidelity

### Mama Club Member B
There are more than a dozen adult members but only four appear in the visual novel. No proper name has been established for any of them.

They all have sons and are married women in their 30's. They satisfy their own incestuous desires with other people's sons by joining the "mama club".  They always respond honestly to the desires of the boys', sometimes gently, sometimes harsh. 

They tend to take the lead with Yuuichi who is a beginner and provide him the appropriate sex education.

[From [url=http://www.complets.co.jp/complet's/mama-club.html]official site[/url]]

- **Gender:** Female
- **Hair:** Brown, Wavy, Shoulder-length, Pubic Hair
- **Body:** Adult, Mole, Makeup, Big Breasts
- **Role:** Mother, Not a Virgin, Housewife, Not an Anal Virgin
- **Engages in:** Blackmail, Infidelity
- **Personality:** Kind, Promiscuous
- **Clothes:** Naked Apron, Tracksuit, Crotchless One Piece Swimsuit
- **Eyes:** Itome

### Mama Club Member C
There are more than a dozen adult members but only four appear in the visual novel. No proper name has been established for any of them.

They all have sons and are married women in their 30's. They satisfy their own incestuous desires with other people's sons by joining the "mama club".  They always respond honestly to the desires of the boys', sometimes gently, sometimes harsh. 

They tend to take the lead with Yuuichi who is a beginner and provide him the appropriate sex education.

[From [url=http://www.complets.co.jp/complet's/mama-club.html]official site[/url]]

- **Gender:** Female
- **Hair:** Black, Short, Spiky Bangs, Pubic Hair
- **Eyes:** Black
- **Body:** Adult, Big Breasts
- **Role:** Mother, Not a Virgin, Housewife
- **Engages in:** Blackmail, Infidelity
- **Clothes:** Lab Coat, Tracksuit
- **Personality:** Blunt, Promiscuous

### Mama Club Member D
There are more than a dozen adult members but only four appear in the visual novel. No proper name has been established for any of them.

They all have sons and are married women in their 30's. They satisfy their own incestuous desires with other people's sons by joining the "mama club".  They always respond honestly to the desires of the boys', sometimes gently, sometimes harsh. 

They tend to take the lead with Yuuichi who is a beginner and provide him the appropriate sex education.

[From [url=http://www.complets.co.jp/complet's/mama-club.html]official site[/url]]

- **Gender:** Female
- **Hair:** Brown, Shoulder-length, Straight, Pubic Hair
- **Eyes:** Brown
- **Body:** Adult, Makeup, Big Breasts
- **Role:** Mother, Not a Virgin, Housewife, Not an Anal Virgin
- **Engages in:** Blackmail, Infidelity
- **Clothes:** Nurse Uniform, Hairpin, Naked Apron, Tracksuit, Nurse's Cap, Crotchless One Piece Swimsuit
- **Personality:** Confident, Promiscuous

## Shops
- [Official Website](http://www.complets.co.jp/complets/M7P/index.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ013037.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1344221)

## Releases
### Japanese
- **2003-06-06**: Bosei ~Mama Club~ - [Official website](http://www.complets.co.jp/complet%27s/mama-club.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=2796), [Getchu](http://www.getchu.com/soft.phtml?id=24865)
- **2004-04-23**: Bosei ~Mama Club~ (Resale) - [Official website](http://www.complets.co.jp/complet%27s/mama-club.html), [Getchu](http://www.getchu.com/soft.phtml?id=59141)
- **2008-04-17**: Bosei ~Mama Club~ DVDPG - [Official website](http://www.n43project.com/n43/npg58/outline.html), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=1018npg58/)
- **2016-01-22**: Mama Club Special Pack - Package Edition - [Official website](http://www.complets.co.jp/complets/MMSP/index.html), [Getchu](http://www.getchu.com/soft.phtml?id=881295)
- **2016-01-22**: Mama Club Special Pack - Download Edition - [Official website](http://www.complets.co.jp/complets/MMSP/index.html), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ009852.html), [Gyutto](https://gyutto.com/i/item163026), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0129204/), [DL.Getchu](http://dl.getchu.com/i/item1005449), [DMM](https://dlsoft.dmm.co.jp/detail/russ_0187pack/)
- **2017-03-23**: Mama Club Super Pack - DVDPG - [Official website](http://www.n43project.com/n43/npg259/index.html), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=h_107npg259/)
- **2018-08-31**: Mama Series - 7 Hon Pack - [Official website](http://www.complets.co.jp/complets/M7P/index.html), [Getchu](http://www.getchu.com/soft.phtml?id=1015179)
- **2018-08-31**: Mama Series - 7 Hon Pack - Download Edition - [Official website](http://www.complets.co.jp/complets/M7P/index.html), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ012070.html), [DMM](https://dlsoft.dmm.co.jp/detail/sesyg_0020/)
- **2019-11-22**: Bosei ~Mama Club~ OS Henkou Low Price Edition - [Official website](http://www.complets.co.jp/complet%27s/mama-club.html), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ013037.html), [Gyutto](https://gyutto.com/i/item225480), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0195096/), [DL.Getchu](http://dl.getchu.com/i/item4022647), [DMM](https://dlsoft.dmm.co.jp/detail/hobe_0461/)
- **2025-10-16**: Mama Club Super Pack - Renewal Package Edition DVDPG - [Official website](http://www.n43project.com/n43/npg595/index.html), [Getchu](http://www.getchu.com/soft.phtml?id=1344221)

### English
- **2024-03-13**: Bosei Mama Club - [Official website](https://f95zone.to/threads/bosei-mama-club-final-complets.199710/)

## Tags
ADV, School, Multiple Endings, Mother Support Character, Group Sex, Nukige, Group Sex of One Female and Several Males, Adult Heroine, Netorare, Protagonist's Non-blood-related Mother as a Heroine, Non-blood-related Mother/Son Incest, Shota Protagonist, Group Sex of Multiple Females and Males, Promiscuous Heroine, Short Sexual Scenes, School Nurse Heroine, Straight Shotacon, Pragmatic Heroine, Only Non-Virgin Heroines, Heroine with Big Breasts, Protagonist with a Face, Elementary School Student Protagonist, Blackmail, Only Adult Heroines, Only Older Heroines, Heroine with Glasses, Infidelity, Child Protagonist

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---
*View the full details at [pinovel.net/v3115](https://pinovel.net/v3115).*

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```