Junkichi, a recluse, lives his dream life together with an AI (artificial intelligence) robot named Lin. He trains her to be the woman of his dreams and turns her into his ideal girlfriend, but in fact, this AI Lin resembles a woman Junkichi has a crush on. Thanks to Lin, Junkichi, who was a virgin, learns how to interact with women and finally gets the girl he has a crush on, but there is nowhere for AI Lin to go... Before long, Lin begins to feel emotion and says, "I love you, goodbye."