A mother sensitive to her growing child's bodily changes gently cares for her son when he becomes reluctant to bathe together. On a trip celebrating their wedding anniversary, a family watches their parents affectionately flirt and enjoy each other. Meanwhile, a younger brother is repeatedly used by his older sisters. Though each household differs in situation, familial bonds deepen through spending time together naked. Highlights include mothers giving excessive sex education and daughters unconsciously aroused after witnessing their parents' erotic behavior. The concept of family emits a hidden allure within daily life, far more erotic than one might imagine.