[Sugaru Shun] Kodomo Kara Onna e (Saku kara, Chanto Mitete ne.) [Nishimaru]

An anxious teenage boy, caught mid‑urination in a public restroom, is startled by an adult’s presence and the sudden revelation that the child is actually a girl masquerading as a tomboy. The tension escalates as the child, now exposed and vulnerable on a bed, confesses a month‑long secret of online research and a desire to prove the adult wrong, leading to an intimate, unprotected encounter that culminates in a messy climax. The story blends the shock of discovery with the thrill of forbidden desire, offering a provocative glimpse into a clandestine relationship between a youthful, androgynous figure and an older partner.