Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~ poster
Updated 2020-07-24
Developer Bishop

Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~

Original title: おっぱいハート~彼女はケダモノ発情期ッ!?~

Ryuuya 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 sexually excited soon. Especially 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. Like this, Ryuuya starts having sex with the girls to cool them down and make a vaccine...!

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High Sexual Content Breast Expansion Sex Under the Necessity Student Council Member Heroine Student Heroine Harem Ending Brocon Heroine Protagonist's Senpai as a Heroine Protagonist's Kouhai as a Heroine Impregnation High School Defloration Protagonist's Non-blood-related Sister as a Heroine Heroine with Tights Missionary Position Threesome Sex on a Roof Sexual Cosplay Sixty-nine Pissing on Others Pregnancy Good Ending Single Boobjob Single Footjob Single Handjob Single Buttjob Single Blowjob Vaginal Masturbation Pissing Vaginal Fingering Sounds of Copulation Teacher Heroine Lactation During Sex Student Council Heroine with Sport Bloomers Nukige Mutual Masturbation Comedy Kissing Scene Background Moans Heroine with Zettai Ryouiki Reverse Missionary Quickie Fix Position Sex in a Classroom Male Protagonist Sex in Public Places Music Recollection Cheerleader Heroine Multiple Endings Excessive Semen Cowgirl Pregnant Sex Tsukkomi Protagonist Changeable Clothes Sitting Sex ADV Seventh Posture Ahegao Bathroom Sex Mischievous Heroine Cunnilingus Non-blood-related Brother/Sister Incest Doggy Style Ejaculation Choice Outdoor Sex Group Sex of One Male and Several Females Bukkake Petplay Anilingus Super Deformed CG's Vibrators Standing Sex Reverse Cowgirl Big Breast Sizes Heroine Heroine with Sexual Experience Sex Involving Drugs BDSM Spoons Yamato Nadeshiko Heroine Lesbian Sex Modern Day Japan Map Movement Under the Same Roof Energetic Heroine Female Domination Heroine with Swimsuits Student Council President Heroine Date Display Intercrural Sex Student Club Member Heroine Balls Sucking Inflation Female Ejaculation Clothing Damage Voice Replay Sex in Water Piledriver Soapy Massage Multiple Defloration Twin Boobjob Facesitting Shoejob Blowjob Duck Face Tribadism on Penis Masturbation with Object Anal Fingering French Kiss Pantyjob Breast Smothering Adult Breast Feeding Dog Cosplay Heroine with Latex Bunnygirl Cosplay Anal Gaping

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