おっぱいハート～彼女はケダモノ発情期ッ!?～
Nihikime no Dozeu
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)
Aiba, Matsuri
Main
Aoba, Ringo
Japanese
Akino, Ryuuya
Main
Akino, Miya
Main
Takamura, Yuri
Japanese
Kugayama, Natsuki
Supporting
Makihara, Rieko
Supporting
Mizusawa, Kei
Japanese
