Shihori and Natsumi are put in charge of the part-time and night school. They are worried about how to organize their school life with students of all ages and backgrounds. One day, a full-time student's wallet is stolen. The two female teachers are unable to argue with the full-time teacher who immediately suspects the part-time student, and it seems like the class has fallen apart... However, Shihori and Natsumi have overcome such problems by interacting with the students sincerely. Then, during winter break, a student comes to visit them...