After a series of troubles, Toru grew tired of interacting with people and stayed at home. The Ichika person he could Kokoro was Ichika, a girl from the neighborhood who he had looked after since she was little. However, after she got married, the opportunities to see her gradually decreased... With more time to himself, Toru began to sense the sexiness of Ichika, who had become a married woman and had gotten used to men, and before he knew it, he began to feel lust for her. Then one night, after an argument with her husband, he ended up letting her stay over...