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Alternative Titles

Synonyms: Marshmallow, Imouto, Succubus
Japanese: ましゅまろ★いもうと★さっきゅばす★


Type: OVA
Episodes: 2
Status: Finished Airing
Aired: Mar 18, 2016 to Apr 22, 2016
Producers: Lune-Pictures
Licensors: None found, add some
Studios: T-Rex
Source: Visual novel
Genre: HentaiHentai
Duration: 15 min. per ep.
Rating: Rx - Hentai


Score: 6.911 (scored by 45904,590 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: #6030
Members: 11,679
Favorites: 43

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Ranked N/APopularity #6030Members 11,679
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Episodes: /2


Based on the erotic game by Dwarfsoft.

Characters & Voice Actors



Opening Theme

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Apr 13, 2016
Preliminary (1/2 eps)
Pre-review TLDR:
A pretty solid 1st episode. Easily recommendable to anyone what with it being vanilla and generally lighthearted as well. It's worth checking out if you're into succubi, vanilla, and/or incest with an imouto that's not petite, which is always welcome to me.

The good:

* The art and animation. The animation is pretty clean all throughout and consistently good. The scenes were animated pretty well even if they're really not much, what with the show being vanilla and all, but they're still pretty good.

* The plot. I've "read" the source material for this last year and most of the stuff i've wondered about the plot ...
May 5, 2016
Preliminary (1/2 eps)
Quite honestly one of the worst hentai I've seen.
The protagonist's father is gone for work and the protagonist stays home with his horribly designed sister. Apparently his sister is a semen-hungry succubus who wants to have sex with him. Good so far?

THE ART IS AWFUL. I read in another review that a reason you might not like it is because of the succubus or the big boobs. No, no, no! Brandish had a loli succubus that was plenty a gifted and she was pretty cute, in this case there's just something wrong with the design! What is supposed to be a younger sister is designed ...


Recent News

Recent Forum Discussion

Poll: Marshmallow★Imouto★Succubus★ Episode 2 Discussion
devinder - Apr 22, 2016
9 repliesby YahiyaX777L »»
May 3, 2023 5:10 PM
Poll: Marshmallow★Imouto★Succubus★ Episode 1 Discussion
Hentai - Mar 19, 2016
12 repliesby YahiyaX777L »»
May 3, 2023 5:08 PM