After losing her husband, mother Ayano finds herself harboring feelings for her daughter Haruki that go beyond mere maternal love. Driven by these intense emotions, Ayano secretly spies on Haruki masturbating. What she sees is shocking—Haruki is pleasuring herself, squirting copious amounts of fluid just like Ayano herself. Witnessing this, Ayano can no longer restrain herself and begins masturbating uncontrollably, gushing profusely. This explores the strange bond and emotional tension that arises between mother and daughter.