Euggi lived an unfortunate life in the role of a scapegoat for others. As a child, he was scolded for breaking someone else"s vase, which he did not defeat, and his colleague was fired from work due to mistakes. At his part-time job in the store he is scolded for the mistakes of others, especially Takamia-san, his younger colleague. In a depressed state, having come home, he meets an unfamiliar girl. It turned out to be a girl of mucus, who took the next new form. The last three months, they lived together, one night he met her on the street, she wrapped up his body and he already thought that he would eat him now, but the creature did not show aggression, he had to go home with her and since then she settled with him. This mucus could talk, change the shape of her body, and during the time of life together she became attached to the Eugene. However, the guy does not particularly share sympathy from this mucous body. And then, in order to attract his attention to himself, the mucus takes the appearance of Takami-san, his colleagues at work, and begins to seduce him. And he again succumbed to her temptation, falling into a trap of debauchery, like many times before, during the fact that they live together.