Shounen Ga Otona Ni Natta Natsu 3 -233cee81--1-... !free! -

Ryuuki's older sister, a chemical genius who is often depicted as "unkempt and portly" but fiercely defensive of her brother.

Yutaka smiled, words lodged. He had acted like that because, in truth, the locker had once kept a carefully folded map of a future he’d promised himself: a plan composed of ambitions, love, and unshakeable certainty. Then life intervened—tuition, part-time jobs, his father's illness—and the map had become creased and yellow. By twenty, he'd packed it away under other priorities until the corners of his dreams wore thin. Shounen ga Otona ni Natta Natsu 3 -233CEE81--1-...

Yutaka thought of the program in the locker—the crinkled list of tournament plays, the names he'd feared losing. He thought of the life that had been lived in alternate timelines. He said, "No. I thought it was gone." Ryuuki's older sister, a chemical genius who is