Junkichi, who was a recluse, lives a dream cohabitation life with Rin, a robot equipped with AI (artificial intelligence). He nurtures her into a woman of his choice and makes her an ideal lover, but in fact, this Rin is an AI that closely resembles the woman Junkichi has a crush on. Junkichi, who was a virgin, learns how to interact with women thanks to Rin, and finally gets his unrequited girlfriend, but there is no place for AI Rin... Lynn that sprouts emotions before you know it "Aishitemas, Sayonara"