---
title: "Motto! Himitsu Taiken"
description: "Takes place a year after \"Boku no Himitsu Taiken\"."
image: "https://t.vndb.org/cv/45/131245.jpg"
---

# Motto! Himitsu Taiken

![Motto! Himitsu Taiken](https://t.vndb.org/cv/45/131245.jpg)

**Alternative Title:** もっと！ヒミツたいけん

**Aliases:** もっとヒミツたいけん

**Developer:** Complet's

**Release date:** Mar 14, 2003

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 6.5/10 (49 votes)

## Description
Takes place a year after "Boku no Himitsu Taiken".

## Characters
### Saeki Akira (佐伯 章)
The protagonist of the story and Yumi's nephew. He refers to himself using "boku".

His father is working abroad and his mother is taking care of her father, so he is left in the care of Yumi and her daughter. He is an only child.

He is mild-mannered and shy and unware that he looks pretty. He does whatever the girls tell him to do resulting in the creation of a "secret game"

While shy he is not an introvert. He is intelligent, likes games and has friends. He's not particularly good at sports.

He's interested in the opposite sex but too shy to do anything about it.  His embarrassment and single track mind regarding sex is found to be cute and is enough to attract girls. 

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

- **Gender:** Male
- **Hair:** Brown, Shoulder-length
- **Eyes:** Brown
- **Body:** Kid
- **Personality:** Boku, Shy, Friendly, Smart
- **Clothes:** Hoodie
- **Engages in:** Erotic Massage
- **Subject of:** Seduction

### Nakajima Kazuko (中島 和子)
She is Narumi's younger sister. She is friends with Akira and Junpei's girlfriend. According to others she is "stupid and lecherous".

Kazuko is a cheerful and open-minded girl who can get along with anyone. However, it is said that she does not get along well with her older sister Narumi. She is characterized by her glasses and braided hair.

She looks like a quiet girl with glasses, but in fact, she is a leader among the four because of her curiosity and aggressiveness. Even her boyfriend, Junpei is completely under her control. She is a very active person, and is very active with the opposite sex which she inherited from her older sister.

She is one to speak her mind and makes her feelings and words known. She helps her friends when they are unable to express themselves out loud. She likes what she likes because she's straightforward.

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

- **Gender:** Female
- **Hair:** Black, Long, Braid
- **Eyes:** Black
- **Body:** Kid, Flat Chest
- **Clothes:** Glasses
- **Personality:** Idiot, Kind, Blunt, Promiscuous
- **Role:** Girlfriend, Friend, Not a Virgin
- **Engages in:** Swinging, Open Relationship

### Nakayama Chiharu (中山ちはる)
A woman who works as an assistant to Kanako. She works as a freelancer as her day job.

She always wears only underwear in her room and goes out only 2 or 3 times a month. However, she seems to be the most sensible of the three in her doujin circle.

[From [url=http://www.complets.co.jp/complet's/motomitsu.htmll]official site[/url]]

- **Gender:** Female
- **Hair:** Blond, Spiky Bun
- **Eyes:** Amber
- **Body:** Adult
- **Clothes:** Tank Top, Panties, Slippers
- **Role:** Erotic Comic Artist, Freelancer

### Otonashi Kikuko (音無喜久子)
She is the daughter of the next-door neighbor of Akira and Naoko's older sister. She is Naoko's older sister, but they are just one year apart.

She has been married and left home by the time Akira can remember. Perhaps that is why she calls herself "auntie" to Akira. She is a former married woman who has recently left her husband and returned to her home, but the reason for this is a mystery.

She is a former married woman who left her husband and came back to Japan, but the reason is a mystery. She is a former married woman who left her husband and came back to Japan, but the reason for this is a mystery. However, like Naoko, she seems to think that Sho is still a child.

Unlike Naoko, she has a calm personality. She has a good looks, with long hair, big tits, and eyes that tickle a man's fancy. In addition, she can do everything from cooking to laundry. She is very caring, probably because she used to be a married woman.

[From [url=http://www.complets.co.jp/complet's/motomitsu.htmll]official site[/url]]

- **Gender:** Female
- **Hair:** Brown
- **Eyes:** Brown
- **Body:** Adult, Makeup, Big Breasts
- **Clothes:** Cardigan, Skirt, Naked Apron, Blouse
- **Role:** Divorcee, Older Sister

### Saeki Yuki (佐伯 雪)
Yumi's only daughter. She is a cousin to Akira. Her father passed away shortly after she was born and has lived alone with her mother ever since. She is strong and very affectionate.

She has a strong personality and is not very sociable. When he speaks with Kazuko and others, she usually does not speak aggressively, but only replies with a simple "ah-ha". Of course, she treats Akira in the same way. In a sense, she is a shy girl like Akira.

Like a girl of her age, she is interested in sex and the opposite sex (especially Akira), but she is reluctant to move forward on her own. Most of the time, she is encouraged by Kazuko. She complains but goes along with Kazuko's actions, and it seems to show it.

She likes Akira, however, she can't be honest with herself due to her personality so she sometimes speaks to him in a spiteful manner. She is jealous of Kazuko who is open and frank with Akira.

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

- **Gender:** Female
- **Hair:** Brown, Twin Tails, Long
- **Eyes:** Brown
- **Body:** Kid, Flat Chest
- **Personality:** Shy, Classic Tsundere, Stubborn, Quiet
- **Role:** Cousin
- **Clothes:** Naked Apron

### Tomoda Junpei (友田 順平)
He is a boy who lives up to his nickname of "one-punch boy. He likes to go out and about, which is probably why he is so tanned when he takes off his clothes. He is a bit childish, but he also hangs out with Kazuko and the girls in Yuki's group.

His personality is cheerful and a bit short-tempered. He is the type of good-natured kid you would expect to find at least one in your class. He has a funny way of talking and acting, and Kazuko plays with him.

He is not that popular with girls. He has a tendency to be easily infatuated. He is very knowledgeable about sex for some reason. Kazuko think of him as "stupid and lecherous"

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

- **Gender:** Male
- **Hair:** Black, Short
- **Eyes:** Black
- **Body:** Kid, Olive
- **Personality:** Idiot, Short-tempered, Energetic, Blunt
- **Role:** Friend
- **Clothes:** Baseball Cap
- **Engages in:** Swinging, Open Relationship

### Tomonari Mayumi (友成真弓)
A homeroom teacher. During vacations, she does home visits for guidance purposes.

She is famous for being scary, she can be quite strict in class. In reality, she is a woman who loves shorties. This is the reason why she became a teacher.

Her love of shotas has grown so strong that she and her friends Chiharu and Kanako formed a Yaoi shota doujinshi circle, and have even participated at Comiket

Incidentally, the name of their circle is "Shonen Hosho Kyokai" ("Association for the Protection of Boys").

[From [url=http://www.complets.co.jp/complet's/motomitsu.htmll]official site[/url]]

- **Gender:** Female
- **Hair:** Black, Short
- **Eyes:** Black
- **Body:** Adult
- **Clothes:** Skirt, Turtleneck Sweater
- **Personality:** Pervert, Strict, Kind
- **Role:** Homeroom Teacher, Erotic Comic Artist

### Tsukamoto Nanako (塚本かなこ)
She is a professional manga artist.

She has been serializing a manga that is popular with older women who likes shota's. It is said to have a cult following.

She always wears a T-shirt and spats in her room, and always wears Japanese coat. She sometimes goes to the office in this outfit to submit manuscripts....

She draws yaoi style shota doujins with Mayumi and Chiharu.

[From [url=http://www.complets.co.jp/complet's/motomitsu.htmll]official site[/url]]

- **Gender:** Female
- **Hair:** Brown, Twin Tails
- **Eyes:** Brown
- **Body:** Adult
- **Clothes:** T-shirt, Spats, Happi, Slippers, Coke-bottle Glasses
- **Personality:** Pervert, BL Fan
- **Role:** Comic Artist, Erotic Comic Artist

### Oosako Miki (大迫美姫)
She is a classmate of Akira and is the chairperson of the committee.

She is a little bit rich, and she is always bothering Akira in some way. 

Her grades are a little higher than Akira's, and her athletic ability is also a little higher than Akira's. She is a bit difficult to approach because of her strong-willed personality.

She has a beautiful but not pretty face, and is always moody. She has thick eyebrows and round eyes, and at first glance, she appears to be a selfish and bullying "ojousama" type.

[From [url=http://www.complets.co.jp/complet's/motomitsu.htmll]official site[/url]]

- **Gender:** Female
- **Hair:** Brown, Long
- **Eyes:** Brown
- **Body:** Kid
- **Role:** Wealthy, Ojousama, Dominatrix
- **Personality:** Stubborn, Smart
- **Clothes:** Cupless Corset, Thong Panties, Latex Long Gloves

### Otonashi Naoko (音無奈緒子)
She is the daughter of the next-door neighbor and a female college student.

She is asked to take care of the Akira and his friends but she just ends up causing a mess.

She is crass and masculine, and her words and actions are rough. She still treats Akira as a kid.

She is not good at housework and usually leaves it to her older sister, Kikuko. She has a bad drinking habit, and when she gets drunk, she gets unusually excited.

[From [url=http://www.complets.co.jp/complet's/motomitsu.htmll]official site[/url]]

- **Gender:** Female
- **Hair:** Black, Short
- **Eyes:** Black
- **Body:** Adult, Small Breasts
- **Clothes:** Jeans, Formal Shirt
- **Engages in:** Drinking, Not Sexually Involved
- **Role:** University Student, Younger Sister
- **Personality:** Stubborn, Tomboy, Masculine Speech

### Saeki Mariko (佐伯 真理子)
Akira's mother

- **Gender:** Female
- **Hair:** Brown, Short
- **Eyes:** Brown
- **Role:** Mother

### Sagawa Yuuji (佐川佑二)
Miki's childhood friend. He's always attached to her and seems to be treated like a servant by her.

He gets along well with Akira and become good friends. He is mild-mannered, shy, and quiet. His mannerisms are quite girly.

He wears short pants, glasses and shorts. He is shorter than Akira.

[From [url=http://www.complets.co.jp/complet's/motomitsu.htmll]official site[/url]]

- **Gender:** Male
- **Hair:** Brown
- **Eyes:** Brown
- **Clothes:** Sweater, Glasses, Short Shorts
- **Body:** Kid
- **Personality:** Shy, Timid, Effeminate, Quiet

## Shops
- [Official Website](http://www.complets.co.jp/complets/HTS/index.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ011716.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1015000)

## Releases
### Japanese
- **2003-03-14**: Motto! Himitsu Taiken - [Official website](http://www.complets.co.jp/complet%27s/motomitsu.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=2641), [Getchu](http://www.getchu.com/soft.phtml?id=18094)
- **2005-11-25**: Motto! Himitsu Taiken - Download Edition - [Official website](http://www.complets.co.jp/complet%27s/motomitsu.html), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ001427.html), [Gyutto](https://gyutto.com/i/item1252), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0005976/), [DL.Getchu](http://dl.getchu.com/i/item1000717), [DMM](https://dlsoft.dmm.co.jp/detail/hobe_0011/)
- **2008-08-15**: Motto! Himitsu Taiken - DVDPG - [Official website](http://blueberry-soft.com/bbslpg/bbslpg002.htm), [Getchu](http://www.getchu.com/soft.phtml?id=565065), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=1223bbslpg002_m/)
- **2018-03-16**: Himitsu Taiken Special Pack - [Official website](http://www.complets.co.jp/complets/HTS/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=26345), [Getchu](http://www.getchu.com/soft.phtml?id=992039)
- **2018-03-16**: Himitsu Taiken Special Pack - Download Edition - [Official website](http://www.complets.co.jp/complets/HTS/index.html), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ011716.html), [Gyutto](https://gyutto.com/i/item201061), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0168945/), [DL.Getchu](http://dl.getchu.com/i/item4006910), [DMM](https://dlsoft.dmm.co.jp/detail/russ_0252/)
- **2018-09-20**: Motto! Himitsu Taiken - Revised Edition DVDPG - [Official website](http://www.n43project.com/n43/npg292/index.html), [Getchu](http://www.getchu.com/soft.phtml?id=1015000), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=h_107npg292/)

## Tags
ADV, Male on Male Sex, Multiple Endings, Loli Heroine, Teacher Heroine, Shotacon, Heroine with Glasses, Classic Tsundere Heroine, Nukige, Bondage, Map Movement, High Sexual Content, Group Sex of One Male and Several Females, Trap Heroine, Cousin Incest, Protagonist's Cousin as a Heroine, Heroine with Sexual Experience, Adult Heroine, Shota Protagonist, Group Sex of Multiple Females and Males, Female Domination, Protagonist with a Face, Sex in Public Places, Promiscuous Heroine, Handjob, Short Sexual Scenes, Divorcee Heroine, Anilingus, Naked Heroine with Apron, Design Story, Protagonist's Girlfriend as a Heroine, Outdoor Sex, Naked Sprites, Mangaka Heroine, Anal Toys, Bleep Censor, Production of Pornography (Amateur), Production of Pornography (Drawn), Consensual Phone Sex, Mutual Masturbation, Censored Text, Straight Shotacon, Gay Shotacon, Trap on Male, Heroine with Pubic Hair, Perverted Heroine, Chosen Choices Marking, Sex on Toilet, Single Handjob, Single Blowjob, Anal Sex, Sex with Protagonist Only, Rimming Handjob, Heroine with Big Breasts, Blood-related Cousin Incest

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---
*View the full details at [pinovel.net/v5720](https://pinovel.net/v5720).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v5720#game","name":"Motto! Himitsu Taiken","description":"Takes place a year after \"Boku no Himitsu Taiken\".","url":"https://pinovel.net/v5720","image":"https://t.vndb.org/cv/45/131245.jpg","author":{"@type":"Organization","name":"Complet's"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"6.5","bestRating":10,"worstRating":1,"ratingCount":49}}
```