The Ogura couple enjoy a happy married life. Young wife Momo is tidying the entrance after seeing her husband off to work when Akari Hoshino, a charismatic female insurance saleswoman, arrives. Although Momo already has insurance through her husband and tries to decline, she's lured in by the promise of a free gift. Succumbing to Hoshino's smooth persuasion, Momo allows herself to be guided by her. With a vibrator provided as a promotional gift, Hoshino skillfully brings Momo pleasure. In that moment, Momo embraces a new, unfamiliar emotion.