Yuko is drinking wine to celebrate a long-awaited reunion with her school friend Megumi at Megumi's house. Megumi's husband, Masanori, returns home from work. With a refined and cute facial appearance, a chest valley that makes you want to bury your face, a cinched waist leading to hip curves... Masanori falls head over heels for Yuko, who is far more beautiful than his own wife. He struggles to suppress his sexual impulses with reason, but then he witnesses a certain scene...