My Imouto: Koakuma na A-Cup

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Alternative Titles

Synonyms: My Sister: Little-Devil with an A-Cup
Japanese: My妹~小悪魔なAカップ~


Type: OVA
Episodes: 2
Status: Finished Airing
Aired: Jul 6, 2012 to Sep 28, 2012
Producers: Mary Jane, Studio 1st
Licensors: None found, add some
Studios: Lilix
Source: Light novel
Genre: HentaiHentai
Duration: 15 min. per ep.
Rating: Rx - Hentai


Score: 6.621 (scored by 47864,786 users)
1 indicates a weighted score.
Ranked: N/A2
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #5348
Members: 11,255
Favorites: 33

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Once again, the peaceful morning is shattered by a diatribe delivered by a sister to her brother. This is a daily occurrence at the Utsumi household, and the fact that his relationship with his step-sister, Miyu, isn't improving is a cause of anguish for Mitsuru. While she may behave like an angel in the presence of their parents, when they are alone, she's a pure devil.

One day, Mitsuru discovers that Miyu has a complex regarding her bust-size. He unwisely brings it up and she blows up at him. While attempting to restrain the raging Miyu, the two lose their balance and fall. Staring into Miyu's face up close, Mitsuru finds himself drawn by her cute features, the warmth of her body, the peculiar scent of a young girl...

(Source: translated and adapted from official site by Cranston)


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Mar 27, 2014
no_good_name (All reviews)
This would have been better without the sex scenes.

It suffered from the typical problem of escalating too fast, would have been far better if the relationship had been teased out more slowly.

I also had issues with how the nipples were drawn.
Sep 10, 2012
jigsawltd (All reviews)
My Imouto: Koakuma na A Cup, is about just an ordinary family with step sisters and brothers, we are firstly introduced to the main characters when they first met. their parents married each other and so they became brother and sister, starting a new family. Though there is really no strong point to the story, its just a good slice of life to watch and see the progressive relationship between the two. i would recommend some people into watching this, but this hentai is absoutely unfappable as the story is just too cute for me :3
Mar 2, 2013
KevyVuong (All reviews)
This hentai, unlike the others, had a great story development. First, she displays a tsuntsun personality, then after feeling something for her brother, she becomes Deredere. Her character is indeed cute and very innocent, and I too would want that. It was enjoyable and erotic how she is pleasured by her first time with sex. I find this very enjoyable 100/10.
Aug 3, 2013
Koibito-H (All reviews)
My Imouto Koakuma no A Cup is a vanilla incest hentai about a boy and his younger step-sister. The pictures on MAL (to me anyway) make the girl, Miyu, look a lot younger than she really is as she's only a year or so younger than her step-brother and both of them are in high school.

In the beginning, both Miyu and her brother, Mitsuru, fight a lot and don't get along at all. Both of them have feelings for each other that they are keeping hidden. Miyu is also afraid that her brother won't like her because her breasts are small. This leads to her read more


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Recent Forum Discussion

Poll: My Imouto: Koakuma na A Cup Episode 1 Discussion
Hmmmmmmmmmmm - Jul 8, 2012
13 replies by Juanmamola76 »»
Mar 19, 2017 10:15 AM
Poll: My Imouto: Koakuma na A Cup Episode 2 Discussion
notsureifsrs - Oct 2, 2012
14 replies by Vi-h »»
Dec 15, 2015 2:36 PM