[Natitama (Isako)] Konpei-kun and Issa-kun prequel {Chin²}

A shy boy and his curious companion share a secret, their innocent whispers turning into heated intimacy as they explore forbidden desire. The prequel follows their playful yet charged encounters, where a simple touch sparks gasps, nervous laughter, and a lingering question of consent. With the tension of youthful curiosity and the thrill of hidden longing, the story invites readers into a tender, provocative world of male‑only romance, featuring anal and shotacon themes within a yaoi doujinshi.