Maki, the homeroom teacher, is known as a strict and meticulous teacher within the school. However, while diligently fulfilling her duties, she secretly engages in an affair with a fellow teacher to relieve stress. One day, a problem arises regarding the school's appearance. It turns out that the janitor, Shiraishi, has been slacking off on his cleaning duties. Upon investigation, it's discovered that Shiraishi is a terrible employee, habitually late and absent, performs his work carelessly, and even drinks alcohol within the school grounds. Enraged, Maki reprimands him, but this only earns her his resentment...
