---
title: "Tsuma x Tsuma 4 ~Koko wa Hitozuma Fitness~"
description: "Kenta Tachibana, the protagonist, was a swimmer with great hope for the future during highschool.  But at one point, he suffered a serious injury protecting a s"
image: "https://t.vndb.org/cv/82/143382.jpg"
---

# Tsuma x Tsuma 4 ~Koko wa Hitozuma Fitness~

![Tsuma x Tsuma 4 ~Koko wa Hitozuma Fitness~](https://t.vndb.org/cv/82/143382.jpg)

**Alternative Title:** 人妻×人妻4～ここは人妻フィットネス～

**Developer:** DISCOVERY

**Release date:** Oct 29, 2004

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 6.5/10 (11 votes)

## Description
Kenta Tachibana, the protagonist, was a swimmer with great hope for the future during highschool.

But at one point, he suffered a serious injury protecting a strange child from a runaway car, and was forced to retire. 

One year later, Kenta finished the rehabilitation and decided to work in a certain sports club as a coach. Kenta is the hope of the people who say that recovery is hopeless, and do not want to stop swimming. 

In the first day of attendance, he is stunned that his appointed destination is a sport club full of women. The only female manager in the club that is operated by relaxation facilities and extensive a reputation for a reasonable fee, where he had become a place of recreation and relaxation of our Neighbor's Wives . 

It have been known to the people in the health club the coach is also a swimmer. But human health is not immune to the curious eyes of our uninhibited married woman ... even just pierce.

Kenta managed to finish the first day at work, and was floating in the pool, when someone has jumped into the pool too. It was his older sister figure he was separated for 10 years, Ai Narushima. 

[Translated from [Getchu.com](http://www.getchu.com/soft.phtml?id=89041)]

## Characters
### Tachibana Kento (橘 健人)
- **Gender:** Male
- **Hair:** Brown
- **Engages in:** Swimming

### Narushima Ai (鳴島 愛)
She used to live next door to Kento when he was living in an apartment complex (he lived there until he graduated from high school). She was also a swimmer in school and taught Kento how to swim for the first time.

When Kento was 12 years old, they were separated by Ai's marriage. She married for the sake of her dying father, it is difficult to say that she married the person she truly loves. However, she has spent the last 10 years of her life without letting her husband and people around her realize this.

[From [url=https://www.getchu.com/soft.phtml?id=89041]Getchu[/url]]

- **Gender:** Female
- **Hair:** Brown, Long, Thick Eyebrows, Parted in Middle, Sidehair, Pubic Hair
- **Eyes:** Blue
- **Clothes:** Skirt, Gym Shorts, One Piece Swimsuit, Wedding Ring
- **Personality:** Outgoing, Kind
- **Role:** Wife, Mother, Older Sister, Ane Act
- **Engages in:** Swimming, Infidelity, Polyamory, Remarriage, Fake Relationship
- **Voiced by:** Hokuto Minami

### Tenchuuin Seika (天中院 聖華)
Ai's sister-in-law. (Ai's husband's sister) She is a gorgeous wife of a wealthy family. She feels her life's purpose is to improve her own body. She also understands the value of her body and married into the Tenchuuin family five years ago as an instrument of a political marriage for the development of the Narushima Group. The difference in age between her and her husband is over 40 years.

However, she is actually the daughter of a concubine and not a legitimate daughter of the Narushima family. This is a top secret known only to a few people in the Narushima family. Because of this, she had to go through a lot of hardships when she was a child. Therefore, she may appear to be a carefree hedonist, but in fact she is extremely smart and has a great deal of insight.

[From [url=https://www.getchu.com/soft.phtml?id=89041]Getchu[/url]]

- **Gender:** Female
- **Hair:** Black, Long, Wavy, Parted in Middle, Pubic Hair
- **Body:** Pale, Adult
- **Clothes:** Scarf, Bikini, One Piece Swimsuit, Spats, Wedding Ring, Halterneck Dress
- **Personality:** Carefree, Smart, Money Lover, Insightful, Observant
- **Role:** Wife, Sister-in-law, Girlfriend, Wealthy
- **Engages in:** Infidelity, Seduction, Polyamory, Working Out
- **Eyes:** Garnet
- **Voiced by:** Kaneda Mei

### Asakura Sakura (麻倉 さくら)
She goes to train but has no motivation. She routinely takes a bath in the jacuzzi and drinks beer. Her body's metabolic rate is unusually high, and she can lose weight in no time with little exercise, she is also prone to rebounding and gaining weight quickly.

Her husband is working alone and rarely comes home. So he don't notice whether Sakura is fat or skinny when he sees her occasionally. This is the reason why she has become indifferent to maintaining his body shape, but now she thinks it is rather suspicious when someone says, "You've lost weight. (Signs of cheating)

[From [url=https://www.getchu.com/soft.phtml?id=89041]Getchu[/url]]

- **Gender:** Female
- **Hair:** Blond, Shoulder-length, Pubic Hair
- **Clothes:** Trousers, Jacket, Skirt, Hoodie, One Piece Swimsuit, Spats, Wedding Ring
- **Eyes:** Violet
- **Body:** Overweight
- **Personality:** Outgoing, Friendly, Kind
- **Role:** Wife, Girlfriend
- **Engages in:** Infidelity, Seduction, Polyamory, Working Out
- **Subject of:** Infidelity, Weight Loss
- **Voiced by:** Misumi

### Enishi Yukari (江西 紫)
She is the manager of the gym and the resident masseuse in the relaxation room. She is the sister of the swimming coach who took care of Kento in college. Her husband is also a former swimmer, and was his wife and trainer. The reason I say "was" is that her husband was in a traffic accident just like Kento, and unfortunately, he passed away.

That was 10 years ago. Since then, she has been working at this gym, and appointed as manager of the branch.

[From [url=https://www.getchu.com/soft.phtml?id=89041]Getchu[/url]]

- **Gender:** Female
- **Hair:** Blue, Short, Pubic Hair
- **Eyes:** Brown
- **Clothes:** Trousers, Earrings, Glasses, Wedding Ring
- **Personality:** Friendly, Kind, Assertive
- **Role:** Wife, Widow, Girlfriend, Management, Massage Therapist
- **Engages in:** Massage, Erotic Massage, Polyamory
- **Voiced by:** Kodama Satomi

### Komukai Chie (小武海 千絵)
She is a young mother with a baby. However, perhaps because she is too young, she lacks the self-awareness of a mother. For example, she leaves her son at the daycare center to go to the gym, or she doesn't want to change his diaper.

She is very sociable and can easily make friends with anyone, especially Sakura, and they sometimes go out for drinks together. 
She is friend's with Sakura's who runs a day-care center, where she takes care of her child at a friend's price.

[From [url=https://www.getchu.com/soft.phtml?id=89041]Getchu[/url]]

- **Gender:** Female
- **Hair:** Long, Green, Pubic Hair
- **Eyes:** Brown
- **Clothes:** T-shirt, Jeans, One Piece Swimsuit, Hairpin, Spats, Wedding Ring
- **Personality:** Carefree, Outgoing, Naive
- **Role:** Wife, Mother, Girlfriend
- **Subject of:** Infidelity
- **Engages in:** Polyamory
- **Voiced by:** Mori Aiko

## Shops
- [Official Website](https://web.archive.org/web/20161209072612/http://www.dennoclub.com/TitleList/dcpg/DCPG110/dcpg110.htm)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ001470.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=297345)

## Releases
### Japanese
- **2004-10-29**: Tsuma x Tsuma 4 ~Koko wa Hitozuma Fitness~ - [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=4127), [Getchu](http://www.getchu.com/soft.phtml?id=89041)
- **2006-05-26**: Tsuma x Tsuma 4 ~Koko wa Hitozuma Fitness~ DVDPG - [Official website](https://web.archive.org/web/20161209072612/http://www.dennoclub.com/TitleList/dcpg/DCPG110/dcpg110.htm), [Getchu](http://www.getchu.com/soft.phtml?id=258565)
- **2006-08-25**: Tsuma x Tsuma 4 R ~Koko wa Hitozuma Fitness~ - [Getchu](http://www.getchu.com/soft.phtml?id=297345)
- **2008-03-09**: Tsuma x Tsuma 4 ~Koko wa Hitozuma Fitness~ Download Edition - [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ001470.html), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0008930/), [DMM](https://dlsoft.dmm.co.jp/detail/discovery_0017/)

## Tags
Sexual Content, Simulation Game, Male Protagonist, Adult Protagonist, Mother Support Character, Map Movement, Group Sex of One Male and Several Females, Harem Ending, Co-worker Heroine, Heroine with Sexual Experience, Adult Heroine, Married Heroine, Energetic Heroine, Chubby Heroine, Heroine with Swimsuits, Date Display, Nukige

## More Games from DISCOVERY
- [Sweet Emotion](https://pinovel.net/v9104)
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- [RED](https://pinovel.net/v9051)
- [Mirage 2 - Torry x Neat x Roan no Daibouken](https://pinovel.net/v18062)
- [Valkyrie](https://pinovel.net/v10865)
- [Marine Rouge](https://pinovel.net/v8962)
- [Injuu no Datenshi ~Requiem for Fallen Angels~](https://pinovel.net/v8128)
- [Tsukiyo no Hitomi wa Kurenai ni](https://pinovel.net/v10842)
- [Tsuma x Tsuma ~Koko wa Hitozuma Paradise!~](https://pinovel.net/v2946)
- [Twins Rhapsody ~Kaedama Ren'ai Kyousoukyoku~](https://pinovel.net/v1317)
- [Tsuma x Tsuma 2 ~Motto! Hitozuma Paradise~](https://pinovel.net/v2948)
- [Twins 2 -Ren'ai Miman-](https://pinovel.net/v10389)
- [Tsuma x Tsuma 1.5 ~Koko wa Niizuma Paradise!~](https://pinovel.net/v2947)
- [DISCOVERY CLIMAX 2001](https://pinovel.net/v14636)
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- [Tsuma x Tsuma 4 ~Koko wa Hitozuma Fitness~](https://pinovel.net/v2950)
- [Gyakutama 2](https://pinovel.net/v9827)
- [Hitozuma Sentai Aisaiger](https://pinovel.net/v2924)
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- [Hitozuma Sentai Aisaiger Powered](https://pinovel.net/v3781)
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- [Hitozuma Sentai Aisaiger Flash](https://pinovel.net/v1791)
- [Hitozuma Sentai Aisaiger Paipaipon! ~Chikyuu no Pinch da, Uchuujin Hitozuma Majo Shuurai!~](https://pinovel.net/v2925)

---
*View the full details at [pinovel.net/v2950](https://pinovel.net/v2950).*

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