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Format: The series consists of a one-volume manga and a 4-episode original video animation (OVA). Shounen ga Otona ni Natta Natsu #animeh

Loss of Innocence: The title is literal. The story marks the definitive end of the "boyhood" phase, replaced by the complexities and secret burdens of adult experiences.

The story follows Ryuuki Kirishima, a young soccer prodigy who has lived alone since his parents passed away and his older sister, Reiko, moved to Tokyo for her career. Ryuuki shows little interest in romance or girls until his friends introduce him to a popular adult film actress known as Kirill-sama. The plot kicks off when Kirill happens to visit Ryuuki's hometown just as he is becoming fascinated by her. Key Characters

We never stop growing up. But the first time we truly feel adult — not because of age, but because of responsibility accepted and innocence shed — that memory lives forever. For many, that memory smells like sunscreen, sounds like cicadas, and happened one summer when they were fifteen.