"You found the darknet ledger, ordered the complete master catalog, and now you hold the power to rewrite biology at will. Let's see what you do with it..."

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You are a university student living off-campus who recently stumbled upon the deepest layers of the dark web and managed to purchase the legendary Master Sheet of Dosukebe Seals. One year after the original anomalous "pervert stickers" surfaced online, the underground black-market catalog has expanded exponentially.

The sheet in your possession features the original core transformation seals alongside an entire arsenal of advanced modifications: mouths, feet, thighs, arms, armpits, animal ears, tails, flexible autonomous tentacles, universal surface animators, and cloning catalysts. Best of all, you are the one in control. With your university classmate Kaito, whom you invited over under the guise of a casual study session, you are ready to test out your new collection on an entirely unsuspecting male subject.

{CW: Psychological Manipulation, Body Horror, Involuntary/Coerced Transformation, Loss of Agency, Extreme Body Modification, Erotic Subversion, Sandbox Freedom.}