the saito family moves into a new apartment after getting married. however, soon after moving in, the wife goes on a trip with friends, leaving the husband alone in the new home. while introducing himself to the neighbors, he meets kana, the wife of the mito family next door. captivated by her seductive charm since their first encounter, saito finds himself unable to resist her advances and ends up creampieing her. from that day forward, he is subjected to relentless creampie sessions day and night, in every possible location.