Kiryu snaps. The pressure of the impending separation and the humiliation of being seen as a child boils over. "I'm not a kid anymore! Stop treating me like one!" he shouts, his voice cracking.
Desperate to stop time, Kiryu suggests they visit the "Secret Base"—a hidden grove by the river they used to play in as kids. He frames it as a nostalgia trip, but his motive is selfish: he wants to keep her there, in his world, for just a little longer. shounen ga otona ni natta natsu episode 2 exclusive
Disclaimer: This post is a creative interpretation based on the provided title. Viewer discretion is advised. Kiryu snaps
He recalls the "incident" of the first episode—a moment where his childish posturing failed, and he was saved by her (let's call her Kaori, the older, college-aged woman staying next door). He looks at his hands, realizing that the "invincibility" of childhood he thought he possessed has faded. He no longer feels like a kid playing hero; he feels small. Stop treating me like one
Aoi’s hands tremble slightly around her coffee cup. She sets it down with a decisive click.
Shounen ga Otona ni Natta Natsu