Due to a series of troubles, Toru was disgusted with dealing with people, and shut himself up at home. The only person he could trust was the neighbor's daughter, Ichika, whom he had taken care of since he was little. However, she gets married and the chances of seeing her gradually decrease. As he spends more time alone, Toru learns about men and begins to feel the sex appeal of an adult when she becomes her married woman, and eventually remembers her lust. And then one night, after a fight with her husband, he ran out of her house and decided to let her stay...
