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The story follows , a young football prodigy who has lived alone since the death of his parents and his sister’s move to Tokyo. His life changes over a single summer when he encounters Kirill-sama , a popular adult streamer. Unbeknownst to him, Kirill is actually an alternate persona created through scientific means by his own sister, Reiko , who is a chemical genius. Key Character Arcs (Episodes/Chapters 1–3) If you're specifically looking for: You included in