One day, Jun, a new teacher, visited the house of Hiroshi, a student who refused to go to school in the class he was in charge of. The school had abandoned Hiroshi, who had once caused a problem in the school, but he came to visit his home over the opposition of his fellow teachers. However, as soon as Hiroshi welcomes Jun, he makes him drink tea containing a coma that he made himself. In addition, his father, Koji, who appeared in the middle of the act, and Kai, who is his subordinate, appear, and Jun is exhausted.
