Occult Research Club: Human Transmutation 01+02 - Erotic Schoolgirl Rituals with Big Breasts & Group Sex

Dive into the forbidden world of 'Occult Kenkyuubu: Jintai Rensei | Occult Research Club: Human Transmutation 01 + 02' by artist Hachigo, a steamy 65-page English doujinshi from the Project Valvrein group. In this original tale, club president Miko and her twintails underclassman Aiko lure the sole male member into occult rituals that spiral into raw passion. Big breasts heave as they explore human transmutation through group encounters, defloration, and nakadashi climaxes. Witness X-ray views of intense penetrations, paizuri teases, and fingering that shatters virginities in schoolgirl uniforms. For more mystical erotica, check this magical story. The emotionless sex turns bisexual with kissing and nipple stimulation, building to impregnation fantasies amid drill hair and stockings.

Read Occult Kenkyuubu: Jintai Rensei | Occult Research Club: Human Transmutation 01 + 02 Occult Kenkyuubu: Jintai Rensei | Occult Research Club: Human Transmutation 01 + 02

Hachigo's Occult Kenkyuubu: Jintai Rensei - Taboo Transmutations, Impregnation & Threesomes in 65 Pages

As the occult experiments deepen in Hachigo's masterful [Hachigo] Occult Kenkyuubu: Jintai Rensei | Occult Research Club: Human Transmutation 01 + 02 [English] [Project Valvrein] [Digital], Miko's big ass grinds against the protagonist in a ffm threesome, her unusual pupils glowing with lust. Aiko's masturbation sessions evolve into blowjobs and lingerie-clad fingering, leading to stockings-ripped defloration scenes that pulse with raw energy. The schoolboy uniform contrasts sharply with the girls' exposed forms, highlighting paizuri and nipple play that drive the group toward bisexual embraces and internal creampies. Impregnation risks heighten the tension in this 65-page erotic odyssey, where human transmutation blurs into carnal alchemy. Every page drips with hentai intensity, from twintails bouncing during emotionless yet fervent thrusts to the ultimate nakadashi releases. Fans of big breasts and sole male dominance will revel in the taboo school setting. Explore similar occult thrills in Lycoris no Ecchi na Hon, or dive into TanoShiineSadoKyouiku for more group adventures.

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Most commented

Shino Asada | Sinon - 4 hours ago

Miko's big breasts in that uniform scene are unreal! Love the impregnation twist.

Risa Matoba - 1 year ago

Aiko's twintails during the threesome? Total hentai gold in Occult Research Club.

Gaku Yashiro - 4 minutes ago

Defloration with X-ray views had me hooked—Hachigo nails the occult vibe.

Tashigi - 10 hours ago

Group sex and nakadashi in 65 pages? Perfect for sole male fans like me.

Tron Bonne - 17 days ago

Bisexual kissing between the girls added such hot emotionless intensity.

Yuuki - 20 hours ago

Paizuri and fingering rituals—impregnation risk makes it even steamier.

Kokkoro | Kokoro Natsume - 7 months ago

Schoolgirl stockings and drill hair details are spot on for this doujinshi.

Itsuki Nakano - 7 seconds ago

Virginity loss in the club room? Erotic transmutation at its finest.