Rumi Yoshizawa, the owner of breast milk, makes her debut in Fitch! Rumi, who has returned from maternity leave and is in charge of a new class, drips breast milk with tension and excitement. While changing clothes, the student who appeared suddenly told her thoughts and was half forcibly embraced, but sexless with her husband and the body with increased postpartum sensitivity react sensitively and comfort with her own breast It ends up. However, the chief of education was watching the scene and was threatened, and from there the bondage breastfeeding training in the school began.