A passionate sex education from a mother whose mature desire and overwhelming possessiveness intertwine. 43-year-old Sayoko Mom deeply loves her son. Gently caressing his aroused body, she softly smiles and says, "Don't worry, Mommy will teach you everything," letting him suckle her breasts that he adores. To her teenage virgin son, she imparts knowledge of a woman's body, rediscovering the pleasures of femininity. This intimate late-night lesson between a warm, tender mother and her son captures the intense experience of a cherry boy's awakening.