Oppai Heart: Kanojo wa Kedamono Hatsujouki!?

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Alternative Titles

Japanese: おっぱいハート~彼女はケダモノ発情期ッ!?~


Type: OVA
Episodes: 2
Status: Finished Airing
Aired: Oct 28, 2011 to Feb 24, 2012
Producers: None found, add some
Licensors: None found, add some
Source: Visual novel
Genre: HentaiHentai
Duration: 28 min. per ep.
Rating: Rx - Hentai


Score: 6.741 (scored by 35113,511 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: #6257
Members: 9,683
Favorites: 33


Ranked N/APopularity #6257Members 9,683
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Ryuya has an older sister, Miya. He lives a peaceful school life with his friends. But one day, he and his friends accidentally drink a medicine juice. Once you drink it, you'll become sexually sensitive and get excited. The breasts of the girls who drink it will get bigger and they will need to have sex to cool down. Also, to make a vaccine, they will need to get pregnant. Ryuya starts having sex with the girls to cool them down and make a vaccine.

(Source: ErogeShop)


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Characters & Voice Actors


Original Creator
Mori, Kokan
Mizushima, Oonari
Original Character Design
Original Character Design


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Ending Theme

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Jan 3, 2015
The two main characters of episode one, Ryuu & Mia, are adorable together. The second episode however, took a drastic turn in the opposite direction as the main character chose a different partner. It was unclear, at least to me, whether Ryuu had replaced Mia despite his promises of loyalty heavily emphasized in the end of the first episode, or whether he was simply creating a harem.

I was personally so in love with the two as a couple in the first episode that I lost interest in the second after what I can only see as a betrayal of Mia's trust. Why lay the ...
Jan 7, 2018
Adorably sexy is the best way to describe Oppai Heart. You don't know what the hell is going on half of the time, but it's made damn clear that there are bitches in heat that need to chill.

This hentai suffers from a severe lack of clarity. It's as if they went, "Fuck the story! We all know what you're here for, so let's get on with it." Fortunately, this means the two episodes are chock filled with actual sex rather than melodrama.

Unfortunately, this comes at a severe cost in clarity and even drags down their personality. I keep on saying it, but it is quite ...


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