Testing New Medicine: Mihari Oyama's Fart-Filled Hentai in Onii-chan wa Oshimai Parody
Dive into the steamy world of '[GasTanker] Testing new medicine (Onii-chan wa Oshimai!) [English]', a tantalizing 20-page full-color doujinshi where brilliant scientist Mihari Oyama experiments with a mysterious new medicine on her transformed brother. What starts as a simple test spirals into an erotic explosion of uncontrollable farting, her voluptuous body quivering with each embarrassing release that fills the air with naughty scents. Mihari's cheeks flush red as the gas builds, leading to intimate, fetish-fueled moments that push boundaries in this Onii-chan wa Oshimai parody. For more twisted sibling fun, check out school shenanigans here. The vibrant artwork captures every bubbly emission in exquisite detail, perfect for fart enthusiasts craving hentai heat.
Mihari Oyama Tests Gassy Medicine in Full Color Onii-chan wa Oshimai Doujinshi Adventure
As the medicine takes hold, Mihari Oyama finds herself at the mercy of her body's rebellious reactions, her tight lab coat straining against curves amplified by the bloating pressure. In this English-language gem from the fictional GasTanker Studios, illustrated by the enigmatic artist FartFantasy, each page unfolds with Mihari's desperate attempts to contain the farts, only for them to escape in long, sensual bursts that tease and arouse. The parody twists Onii-chan wa Oshimai's gender-bending charm into a farting frenzy, where sibling bonds deepen through shared humiliation and unexpected pleasure. Imagine Mihari bent over, skirt hiked up, as a massive release echoes, her moans mixing shame and ecstasy—pure 18+ indulgence in full color glory. Don't miss how the story climaxes with Mihari embracing her gassy side, inviting more tests that blur science and seduction. For similar erotic illustrations, explore naughty Onii-chan art, or dive into this ending twist story for extended parody thrills. This 20-page romp is a must-read for fans of fetish-driven hentai, leaving you breathless and begging for more.
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