A husband who leaves his son's education entirely to his wife, Yuko. The son, overwhelmed by exam stress, has become a recluse. Yuko, burdened with worries, is on the verge of a breakdown. Just then, the son's homeroom teacher, Ozawa, comes for a home visit. Touched by Ozawa's kindness, Yuko's emotions surge. Seeing this, Ozawa can't help but embrace her. They press their skin together to fill the loneliness, kissing passionately and intensely... Yuko gradually becomes engulfed in the intense, intimate sex with Ozawa...
