Abstract

``In order to prevent the extinction of humanity, I request a sperm donation!'' Kyotaro Kurasaka was living an ordinary life, just commuting between home and work. One day, his boring life changes completely when a self-proclaimed futuristic man with cat ears appears from the closet. A young man who calls himself Ryuno has come to ask for ``sperm'' from humans from the past in order to save the future. What did you say...? The moment she tries to call the police, she is restrained by tentacles that come out of a mysterious device and forced to ejaculate using an aphrodisiac... She is forced to live with him at the end!? She is supposed to be forced to do a unilateral act, but for her own sake. He would sometimes cook for her and treat her well, and she would gradually become moved by him.

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