Tsubasa and her voluptuous mother, Yayoi, find their bond deepening through shared intimacy after a tender moment at home. Their relationship soon blossoms into a passionate exploration of desire, with Yayoi guiding Tsubasa through waves of pleasure and mutual affection. Together, they surrender to their growing sensual connection, each encounter leaving them breathless and craving more, wrapped in the warmth of their forbidden yet undeniable love.