Chizuru has sent out students for many years as a dormitory mother. The dormitory, which used to be crowded with a large number of people, is now only occupied by a few people. The story of the demolition that stood up there said, "Until the current dormitory students are gone," but in return, he offered his body to the owner. The dormitory students who left with tears and smiles, one by one, without knowing anything because of the persuasion that Chizuru's body was stretched. And Chizuru gently hugs the last dormitory student who complains "I don't want to go out" ...