After her friend’s adult son Tetsuro fails during his first attempt at sex with his new girlfriend, Ami decides to solve his problem with her own body. Gently reassuring the shaken and timid young man with maternal warmth, the tall, beautifully proportioned woman slowly seduces him. Her hot mouth and skilled tongue help him regain his confidence and achieve his first ejaculation during sex—but Ami has no intention of stopping there.