For a sexless married couple, sex is no longer limited to infidelity or masturbatory fantasies. The neighboring young man has become completely captivated by her, and no matter how many times they climax, it never ends. Hikaru Misaki (35), a housewife from Suginami Ward, harbors unspoken frustrations and desires within her daily life. What she seeks is not mere physical pleasure, but emotional fulfillment. What kind of impact will she have on the young neighbor?