Shounen Ga Otona Ni Natta Natsu 1 F1dbe2701 Link [best] -

That summer folded into others, as summers do, and the cap frayed more. One evening, while photographing the sunset for a book jacket mock-up, he absentmindedly left it on a bench by the river. He walked back two blocks later, breathless, and found it there, patient as ever. He put it on and felt something settle—a knot in his chest loosen, not gone but manageable.

It is eventually revealed that "Kirill-sama" is actually his sister, shounen ga otona ni natta natsu 1 f1dbe2701 link

"Don't jerk it," Rin said quietly. "Let it tire itself out. That's what he taught you, right?" That summer folded into others, as summers do,