Mafu, who serves as the head of the academic year, is known within the school for her image of cleanliness and meticulousness. However, while fulfilling her duties, she secretly had an affair with a colleague to relieve stress. One day, a problem arose where the school's aesthetics were compromised… It turned out that the janitor was slacking off on cleaning. Upon investigation, it was found that the janitor Shiraishi was always late and absent, did his work sloppily, and even drank alcohol within the school premises, making him quite the problematic individual. Mafu scolded him in anger but ended up being resented by him instead…
