While feeling happiness in her daily life with her husband, Kayo always felt that her everyday routine was lacking. One day, a change came from her husband's college friend, Sada. Always kind to them, Kayo gradually opened her heart to him... One day, when her husband was out late for work, Sada visited. Feeling an unusual daily life during their first time alone together, Kayo felt guilty towards her husband but ended up accepting Sada's intense desire...
