---
title: "Toshiue Lesson ~Mama to Oba-san to Sensei to~"
description: "Read about Toshiue Lesson ~Mama to Oba-san to Sensei to~ visual novel."
image: "https://t.vndb.org/cv/02/29702.jpg"
---

# Toshiue Lesson ~Mama to Oba-san to Sensei to~

![Toshiue Lesson ~Mama to Oba-san to Sensei to~](https://t.vndb.org/cv/02/29702.jpg)

**Alternative Title:** 年上Lesson～義母と叔母と女教師と～

**Aliases:** 年上Lesson ～義母(ママ)と 叔母(おばさん)と女教師(せんせい)と～

**Developer:** PUZZLEBOX

**Release date:** May 18, 2007

**Platform:** Windows, DVD, BDP

**Language:** Japanese

**Rating:** 6.4/10 (31 votes)

## Characters
### Sawamura Mitsuo (沢村 美津雄)
He likes receptive older women and has a faint crush on his aunt, Rika.

He is weak-willed and is unable to rebel when others take an overbearing attitude toward her.

She still calls her mother Anna "Mama".

[From [url=https://www.getchu.com/soft.phtml?id=397805]getchu[/url]]

- **Gender:** Male
- **Hair:** Black, Short, Pubic Hair
- **Eyes:** Brown
- **Clothes:** School Uniform
- **Role:** High School Student, Non-blood-related Son
- **Personality:** Kind, Docile

### Kaiho Izumi (海保 いずみ)
She is the homeroom teacher of the protagonist, a beautiful teacher who is very popular among her students.
Her subject is music. She has an image of being somewhat unapproachable in the school, as she has a cold image that emphasizes her innocent and intellectual side.

Cup size: E~F

[From [url=https://www.getchu.com/soft.phtml?id=397805]getchu[/url]]

- **Gender:** Female
- **Measurements:** Height: 167cm, Bust-Waist-Hips: 90-57-87cm
- **Hair:** Black, Violet, Waist Length+, Pubic Hair
- **Eyes:** Brown
- **Role:** Friend, Teacher, Not a Virgin, Popular, Bisexual, Sexual Dominant, Sex Friend
- **Clothes:** Garter Belt Stockings, Strap-on Dildo, Skirt Suit
- **Personality:** Smart, Insightful, Opportunistic
- **Engages in:** Betrayal
- **Body:** Big Breasts
- **Voiced by:** Kono Kanami

### Nojima Rika (野島 梨花)
She is Anna's younger sister and Mitsuo's aunt. She is an executive secretary for a large company and is fluent in English.

She is single and lives alone. She is a beautiful woman who would make any man shiver...

Cup size: D~E

[From [url=https://www.getchu.com/soft.phtml?id=397805]getchu[/url]]

- **Gender:** Female
- **Measurements:** Height: 162cm, Bust-Waist-Hips: 87-59-85cm
- **Hair:** Black, Long, Parted to Side, Pubic Hair
- **Eyes:** Brown
- **Clothes:** Thigh-high Stockings, Belt, Corset, Skirt Suit, Lace Lingerie
- **Personality:** Friendly, Opportunistic
- **Role:** Aunt, Secretary, Not a Virgin, Bisexual, Younger Sister, Sexual Dominant, Sex Friend
- **Subject of:** Betrayal
- **Body:** Big Breasts
- **Voiced by:** Itou Touko

### Sawamura Anna (沢村 安奈)
She is pure and graceful. She is overprotective of her son Mitsuo, but he is not related to him by blood, as she married his father when he was still young (her husband passed away in a car accident when Mitsuo was still young).

She has never given birth, so even at her age, she is young and very pretty. She is puzzled by Mitsuo's gradual growth into an adult.

[From [url=https://www.getchu.com/soft.phtml?id=397805]getchu[/url]]

- **Gender:** Female
- **Measurements:** Height: 157cm, Bust-Waist-Hips: 82-58-84cm, D cup
- **Hair:** Brown, Short, Pubic Hair
- **Eyes:** Brown
- **Body:** Young-adult, Medium Breasts
- **Clothes:** Apron, Naked Apron, Shrug, Lace Lingerie
- **Role:** Widow, Non-blood-related Mother, Bisexual
- **Personality:** Refined, Kind, Protective
- **Voiced by:** Kazane

### Kawahara Shouko (川原 祥子)
She is an office worker at the same company as Rika. She is a complex person who lacks self-confidence and is timid about everything.

Her lack of self-confidence is reflected in her outward appearance, and she often wears plain clothes.

[From [url=https://www.getchu.com/soft.phtml?id=397805]getchu[/url]]

- **Gender:** Female
- **Measurements:** Height: 152cm, Bust-Waist-Hips: 80-54-80cm, C cup
- **Hair:** Black, Shoulder-length, Parted to Side, Pubic Hair
- **Eyes:** Black
- **Body:** Young-adult, Medium Breasts
- **Clothes:** Cardigan, Tank Top, Knee-high Boots
- **Personality:** Shy, Low Self-esteem, Timid
- **Role:** Coworker, Homosexual, Bisexual, Office Lady, Sex Friend
- **Subject of:** Sexual Orientation Discovery
- **Voiced by:** Chatani Yasura

### Kurata Shizuru (倉田 静流)
She lives near Mitsuo's house and often goes to school with him.

She is an eye-catching, gorgeous, and beautiful girl who is very popular at the school. However, she and her teacher Izumi...

[From [url=https://www.getchu.com/soft.phtml?id=397805]getchu[/url]]

- **Gender:** Female
- **Measurements:** Height: 160cm, Bust-Waist-Hips: 77-55-81cm, B cup
- **Hair:** Black, Shoulder-length, Pubic Hair
- **Eyes:** Brown
- **Body:** Teen
- **Clothes:** School Uniform, Knee-high Socks, Sailor School Uniform
- **Personality:** Outgoing, Friendly, Kind
- **Role:** Childhood Friend, High School Student, Popular, Bisexual, Sex Friend
- **Voiced by:** Kurata Mariya

## Shops
- [Official Website](http://www.sp-janis.com/puzzlebox/puzzlebox-remix/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ003583.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=891375)

## Releases
### Japanese
- **2007-05-18**: Toshiue Lesson ~Mama to Oba-san to Sensei to~ First Press Edition - [Official website](http://www.sp-janis.com/puzzlebox/toshiuelesson/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=9117), [Getchu](http://www.getchu.com/soft.phtml?id=397805)
- **2008-01-25**: Toshiue Lesson ~Mama to Oba-san to Sensei to~ DVDPG - [Official website](https://web.archive.org/web/20140909045729/http://ms-pictures.com/label/mints/products/detail.php?id=281), [Getchu](http://www.getchu.com/soft.phtml?id=482025), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=22dgmt7452/)
- **2008-10-24**: Toshiue Lesson ~Mama to Oba-san to Sensei to~ Special Price Edition - [Official website](http://www.sp-janis.com/puzzlebox/toshiuelesson/), [Getchu](http://www.getchu.com/soft.phtml?id=574705)
- **2009-02-06**: Toshiue Lesson ~Mama to Oba-san to Sensei to~ Download Edition - [Official website](http://www.sp-janis.com/soft/lesson_dl.shtml), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ003583.html), [Gyutto](https://gyutto.com/i/item15889), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0029095/), [DL.Getchu](http://dl.getchu.com/i/item1001515), [DMM](https://dlsoft.dmm.co.jp/detail/spacep_0030/)
- **2010-11-19**: Toshiue Lesson ~Mama to Oba-san to Sensei to~ BDPG - [Official website](https://web.archive.org/web/20111021042631/http://www.ms-pictures.com/label/mints/products/1011/highlesson/index.html), [Getchu](http://www.getchu.com/soft.phtml?id=693054), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=22bgmt8874/)
- **2014-01-24**: Haha to Oba to Boku ~Kindan no Kannou Triple Pack~ - [Official website](http://www.sp-janis.com/puzzlebox/hahatoobatoboku/), [Getchu](http://www.getchu.com/soft.phtml?id=792873)
- **2015-01-23**: PUZZLEBOX REMIX ~Heroine Showcase~ Package Edition - [Official website](http://www.sp-janis.com/puzzlebox/puzzlebox-remix/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=21278), [Getchu](http://www.getchu.com/soft.phtml?id=835109)
- **2015-03-06**: PUZZLEBOX REMIX ~Heroine Showcase~ Download Edition - [Official website](http://www.sp-janis.com/puzzlebox/puzzlebox-remix/), [Gyutto](https://gyutto.com/i/item140979), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0113387/), [DL.Getchu](http://dl.getchu.com/i/item1005137), [DMM](https://dlsoft.dmm.co.jp/detail/spacep_0067/)
- **2016-04-28**: SP-Janis Republic Special Pack 2 - Package Edition - [Official website](http://www.sp-janis.com/spjanis-republic/specialpack2/), [Getchu](http://www.getchu.com/soft.phtml?id=891375)
- **2016-04-28**: SP-Janis Republic Special Pack 2 - Download Edition - [DMM](https://dlsoft.dmm.co.jp/detail/mgold_0108/)

## Tags
Lesbian Sex, Incest, Blood-related Sister/Sister Incest, Non-blood-related Incest, Male Protagonist, Teacher Heroine, Protagonist's Childhood Friend as a Heroine, Nukige, Group Sex of One Male and Several Females, Heroine with Sexual Experience, Adult Heroine, Lesbian Heroine, Student Protagonist, Businesswoman Heroine, Protagonist's Non-blood-related Mother as a Heroine, Non-blood-related Mother/Son Incest, Female Domination, Footjob, Long Sexual Scenes, Tribadism, Protagonist's Aunt as a Heroine, Cunnilingus, Literary Adaptation, Blood-related Aunt/Nephew Incest, Ejaculation Choice, Naked Sprites, Bonus Side Stories, Read Text Marking, Bisexual Heroine, Obacon, Heroine with Big Breasts, Sex with Protagonist Only

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- [Oba no Shinshitsu](https://pinovel.net/v6115)
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---
*View the full details at [pinovel.net/v5780](https://pinovel.net/v5780).*

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