Maki, the mother of Kenta, a perpetual cram school student who has failed the university entrance exam multiple times, worries about her son's studies almost every day... However, as Kenta reaches the age of interest in the opposite sex, he begins to show more curiosity about women's bodies than his studies. Noticing this change in Kenta, his mother decides to take matters into her own hands and steps in to discipline his lower half.
