Rin, a daughter of a peasant class in a certain Prefecture, is a female student who goes to Oyo University. My private life is also rich in life, and it has grown without knowing the impurity and the trouble. On the other day, Machida, a man in his father's trading company, attacked phosphorus and exposed it. Machida, who had repeatedly been mistaken for the job he had received from his father, finally cut off his business tie up and put him on the poison Fang to clear up his grudge. Machida gave out phosphorus to Yakuza who were in debt.