Shounen Ga Otona Ni Natta Natsu -: 01

The story touches on internal conflict, loyalty, and the blurring lines between familial affection and romantic desire. Production Quality Reviews of the first episode highlight the following:

The story follows , a young soccer prodigy living a quiet life after his parents' passing. His older sister, Reiko , a scientific genius, has moved to Tokyo, leaving him to mature on his own. shounen ga otona ni natta natsu - 01