Hayato Takeda, the captain of the judo club at Kitayama University, finds himself participating in a suspicious experiment conducted by a psychology professor during the summer break to solve the problem of insufficient attendance days required for graduation credits. Thread Updated: 2026-10-09 Release Date: 2026-10-09 Developer: Kujiranosenaka (クジラの背中) Fanbox – itch.io – Pixiv Censored: Partial

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