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Hisayo, a mother who is troubled by her son Tsukasa's recluse, consults with her counselor Narumi, and Narumi comes every day, gradually opening up Tsukasa's heart. One day, Narumi hears that one of the causes of her withdrawal is that she has become aware of Hisayo as the opposite sex. Narumi proposes a way to get upset Hisayo. I nodded at his story with a tingly hunch, and was suddenly told to show my ass...