Erika, who got married and gave birth soon after graduating from high school, has returned for the first time in five years for the funeral of her homeroom teacher. Erika was famous as a slut in the local area, but after becoming a mother, she has calmed down and, except for her hair color, there is no trace of her slut anymore. However, even though she acts as if she has forgotten about the past, when she drinks, she gradually reverts to her old self...