A married woman named 'Mai', who has been happily married for three years, can't get enough of her husband. However, she secretly longs for the intimate encounter she once had with another man. Despite being satisfied with her sex life with her husband, Mai finds herself constantly reminiscing about that one time they shared together. She often masturbates while thinking about him, but as soon as she climaxes, she misses her husband terribly and eagerly awaits his return. One day, Mai's husband comes home drunk with a younger colleague in tow - someone she had slept with before. Since then, something inside Mai seems to have broken... Her daily routine of loving intercourse with her husband and teasing him while he's sleeping takes on a new twist when she starts cheating on him during his business trips. As their passionate affair unfolds, Mai experiences six intense orgasms, each followed by a creampie filled with her lover's seed. This beautiful housewife's story of infidelity spirals out of control as she continues to seek satisfaction outside of her marriage.

結婚して三年目になる‘芽依’は旦那のことが大好きな巨乳人妻。しかしそんな芽依にもささいな悩みがあった。旦那とのSEXには何の不満もないのに以前一度だけ関係を持った男の体を忘れられず、そのときのSEXを思い出しては自慰をしてしまうのだ。ただ自慰行為が終わると旦那の帰りが待ち遠しくなりいつも通り過ごす…そんな毎日を送っていた。そんなある日、旦那が酔って後輩を連れて帰ってきた。その男こそが「前に一度だけ関係を持った男」だった。その日以来、芽依の中で何かが壊れる…。旦那との日常イチャラブSEX、寝てる旦那の横で手コキフェラ口内発射、旦那の出張中に連続中出しSEX…計6発射。忘れられない男との再会で道を外れていく美人妻の不倫沼ストーリー。