---
title: "Mitsutsubo ~Nii-san... Watashi Konna ni Ookiku Narimashita yo~"
description: "You return to your hometown to announce your impending marriage, but your beautiful sister is determined to have you all to herself.  [From J-List]"
image: "https://t.vndb.org/cv/46/25946.jpg"
---

# Mitsutsubo ~Nii-san... Watashi Konna ni Ookiku Narimashita yo~

![Mitsutsubo ~Nii-san... Watashi Konna ni Ookiku Narimashita yo~](https://t.vndb.org/cv/46/25946.jpg)

**Alternative Title:** 蜜壺 ～兄さん……わたしこんなに大きくなりましたよ～

**Developer:** Snack Factory

**Release date:** May 1, 2012

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 6.6/10 (90 votes)

## Description
You return to your hometown to announce your impending marriage, but your beautiful sister is determined to have you all to herself.

[From J-List]

## Characters
### Kusakabe Tooru (日下部 徹)
- **Gender:** Male
- **Hair:** Brown, Short
- **Eyes:** Brown
- **Body:** Young-adult
- **Clothes:** Glasses, Shirt
- **Personality:** Ore, Sister Complex
- **Role:** Son, Full Brother, Not a Virgin, Older Brother

### Kusakabe Mitsuka (日下部 満花)
- **Gender:** Female
- **Hair:** Black, Waist Length+, Straight, Blunt Bangs, Sidehair
- **Body:** Teen, Slim, Pale, Kid, Young-adult
- **Eyes:** Blue
- **Clothes:** Kimono, Yukata, Sundress, Sun Hat
- **Personality:** Yandere, Kind, Brother Complex, Jealous
- **Role:** Full Sister, Younger Sister
- **Engages in:** Murder, Seduction
- **Subject of:** Pregnancy
- **Items:** Hand Fan
- **Voiced by:** Kazuna Sayaka

### Kusakabe Setsuko (日下部 節子)
- **Gender:** Female
- **Hair:** Violet, Bun, Short, Straight, Spiky Bangs
- **Body:** Slim, Pale, Adult, Big Breasts
- **Eyes:** Violet, Tsurime
- **Clothes:** Skirt, Polo Shirt
- **Items:** Knife
- **Engages in:** Drinking
- **Role:** Widow, Mother, Office Worker, Single Parent
- **Personality:** Strict
- **Voiced by:** Aji Sanma

### Maruyama Saori (丸山 沙緒里)
- **Gender:** Female
- **Role:** Betrothed
- **Personality:** Relaxed
- **Subject of:** Androphobia, Infidelity
- **Voiced by:** Okuyama Ayumi

## Shops
- [Official Website](http://www.mink.co.jp/product/fbm/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ013002.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1125584)

## Releases
### Japanese
- **2012-05-01**: Mitsutsubo ~Nii-san... Watashi Konna ni Ookiku Narimashita yo~ - [Official website](http://snack-f.com/product/322bo/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=17081), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ006830.html), [Gyutto](https://gyutto.com/i/item82308), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0066554/), [DL.Getchu](http://dl.getchu.com/i/item1003784), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_0685/)
- **2013-11-01**: Imouto ~Mitsutsubo Complete Edition~ Trial Edition - [Official website](http://www.mink.co.jp/snackfactory/product/322bo_cp/index.html#a_other)
- **2013-11-29**: Imouto ~Mitsutsubo Complete Edition~ First Press Limited Edition - [Official website](http://www.mink.co.jp/snackfactory/product/322bo_cp/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=19678)
- **2013-11-29**: Imouto ~Mitsutsubo Complete Edition~ Download Edition - [Official website](http://www.mink.co.jp/snackfactory/product/322bo_cp/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=19678), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ008191.html), [Gyutto](https://gyutto.com/i/item115299), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0093074/), [DL.Getchu](http://dl.getchu.com/i/item1004581), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_0876/)
- **2013-11-29**: Imouto ~Mitsutsubo Complete Edition~ Regular Edition - [Official website](http://www.mink.co.jp/snackfactory/product/322bo_cp/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=19678), [Getchu](http://www.getchu.com/soft.phtml?id=794771)
- **2015-02-06**: Snack Factory Pack - [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ009356.html), [Gyutto](https://gyutto.com/i/item136097), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_0943/)
- **2015-06-26**: Mink New Enjoyment Pack - [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ009355.html)
- **2016-08-02**: Mink Teiban Ninki Saku Complete Pack - [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ010341.html), [Getchu](http://www.getchu.com/soft.phtml?id=920436), [DL.Getchu](http://dl.getchu.com/i/item1005608)
- **2018-07-12**: Imouto Sanren Pack - [Official website](http://www.mink.co.jp/top/), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ011993.html), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0174185/), [DL.Getchu](http://dl.getchu.com/i/item4010121), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_1120/)
- **2018-11-30**: Imouto ~Mitsutsubo Complete Edition~ DVDPG - [Official website](https://ene-game.net/063.php), [Getchu](http://www.getchu.com/soft.phtml?id=1024723), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=ene063/)
- **2019-02-22**: Mink Final Best Memorial Pack - Package Edition - [Official website](http://www.mink.co.jp/product/fbm/), [Getchu](http://www.getchu.com/soft.phtml?id=1032309)
- **2019-10-25**: Okazu no Tame no Scene Kanshou Imouto Hen Vol. 1 - [Official website](http://www.mink.co.jp/product/okazu/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=28788), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ013002.html), [Gyutto](https://gyutto.com/i/item223999), [DMM](https://dlsoft.dmm.co.jp/detail/minkm_0063/)
- **2019-11-29**: Mink Final Best Memorial Pack - Download Edition - [Official website](http://www.mink.co.jp/product/fbm/), [DMM](https://dlsoft.dmm.co.jp/detail/views_0657pack/)
- **2021-03-26**: Imouto ~Mitsutsubo Complete Edition~ the BEST DVDPG - [Getchu](http://www.getchu.com/soft.phtml?id=1125584)

## Tags
Sexual Content, ADV, Rape, Blood-related Brother/Sister Incest, Brother/Sister Romance, Male Protagonist, Multiple Endings, Mother Support Character, Yandere Heroine, Nukige, Only a Single Heroine, High Sexual Content, Group Sex of One Male and Several Females, Early Sexual Content, Pregnant Sex, Protagonist with Glasses, Homecoming, Harem Ending, Blood-related Mother/Son Incest, Protagonist's Blood-related Mother as a Heroine, Blackmail, Bad Ending(s), Condoms, Side Portraits, Only Virgin Heroines, Summer, Wake-up Sex, Missionary Position, Protagonist in Relationship, Sixty-nine, Sounds of Copulation, Twin Blowjob, Impregnation, Inbreeding, Cunnilingus, Brocon Heroine, Doggy Style, Reunion, Outdoor Sex, Colored Texts, Colored Name-tags, Naked Sprites, Deepthroat, Clothed Male Naked Female, Sex with Sleepers, Siscon Protagonist, Read Text Marking, Cowgirl, Reverse Cowgirl, Sex in Water, Oyakodon Ending, Pregnancy Ending, Sprite Viewer, Standing Sex, Sitting Sex, Piledriver, Discreet Sex, Drunk Sex, Bathroom Sex, Soapy Massage, Discreet Masturbation, Forbidden Love, Changeable Font, Pregnancy Good Ending, Protagonist's Full Sister as a Heroine, Unavoidable Netorare, Sex with Protagonist Only, Protagonist's Younger Sister as a Heroine, Heroine with Big Breasts, Only Protagonist's Relatives as Heroine(s), Defloration, Sex in Public Places, Single Blowjob, Pregnancy, Spoons, Only Blood-related Heroines, Heroine with Kimono, Single Handjob, Vaginal Fingering, Adult Heroine, Widow Heroine, Vaginal Masturbation, Quickie Fix Position, Mutual Masturbation, Heroine with a Sundress, French Kiss, Single Boobjob

## More Games from Snack Factory
- [Maternity Monsters! ~Usamimi Iinchou to Kiyoku Tadashii Nikutai Kankei!~](https://pinovel.net/v9979)
- [Mitodokebito Dai Ichi Wa Manatsu ni Saita Akizakura](https://pinovel.net/v13037)
- [Maternity Monsters! ~Jinrou Kaichou to Yuisho Tadashiki Kozukuri Sengen!~](https://pinovel.net/v9980)
- [Mitodokebito Dai Ni Wa Seika ni Chigau Nijuu Sou](https://pinovel.net/v13038)
- [Maternity Monsters! ~Shinsou no Shinso to Ecchi de Abunai Shinsou Tsuikyuu!~](https://pinovel.net/v10653)
- [Mitsutsubo ~Nii-san... Watashi Konna ni Ookiku Narimashita yo~](https://pinovel.net/v10479)
- [Maternity Monsters! ~Junjou na Inma to Seijun na Fujun Isei Kouyuu!~](https://pinovel.net/v10654)
- [Chikan Densha](https://pinovel.net/v11572)
- [Maternity Monsters! ~4 nin no Seisai to Kozukuri Shinkon Harem Seikatsu!~](https://pinovel.net/v11140)
- [Reijou Maid Chizuru](https://pinovel.net/v11573)
- [Hitozuma Houmon Settai ~Ai Suru Otto ni Ienai Nikutai Keiyaku~](https://pinovel.net/v11574)
- [Kindan no Hiketsu ~Watashi no Oshiri de Takusan Zange Shite Kudasai~](https://pinovel.net/v12039)
- [Aniki no Oyome-san to Chucchu Shita n Dakedo Nani ka Shitsumon Aru?](https://pinovel.net/v12644)
- [Koi Shichi Yo](https://pinovel.net/v14163)
- [Mama Reido vol. 1 Sakie Mama Hen ~Koi o Shita no wa Shin'yuu no Mama Deshita~](https://pinovel.net/v22640)
- [Mama Reido vol. 2 Natsuko Mama Hen ~Boku ga Yaranakya, Dareka ni Mama ga Yararechau!?~](https://pinovel.net/v22641)
- [Mama Reido vol. 3 Tomomi Mama Hen ~Usotsuki wa Mama no Hajimari~](https://pinovel.net/v22795)
- [Mama Reido vol. 4 Rika Mama Hen ~Ijiwaru na Ano Ko o Kawaii Mama ni Suru Houhou~](https://pinovel.net/v22796)

---
*View the full details at [pinovel.net/v10479](https://pinovel.net/v10479).*

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