A friendless, ultra-ordinary girl: Matsunaga fell one day and was helped by an ordinary man. She fell in love with him. But not knowing how to approach love, she starts performing S○○K acts as a gloomy approach. In the midst of it, a sexual fetish awakened, sneaking into the house to steal clothes and masturbate. 'Only in Matsunaga'—the two's relationship deepens rapidly...
