[AREA B (bttn)] Tsujisaki-kun wants to become an adult [Chin²]

Tsujisaki-kun is eager to grow up, but his journey toward manhood takes an unexpected turn during an intimate encounter with his classmate. What starts as a playful, teasing conversation about physical development quickly escalates into a much more sensory experience. As tension builds, a curious Tsujisaki-kun finds himself overwhelmed by the raw, physical reality of his peer's body, leading to a much more intense and much more intimate exploration of pleasure.