Ten years into her married life, Mifuyu finds herself receiving constant love calls from her husband, creating a strange and unsettling situation. On the surface, her family appears happy, but behind closed doors, she struggles daily with her husband's possessiveness and the stress of raising four children. Unwilling to spend her entire life simply as a dutiful mother, she decides to make her AV debut. Embarking on a new chapter, Mifuyu is shown powerfully ejecting large amounts of breast milk, gushing like a fountain.