家計の足しにとアルバイトでレンタル彼女を始めた人妻「心音」。不倫や浮気などしないだろうと信じた夫の公認で働いていたが…。夫が出張でいなくなった日、人妻は童貞大学生を家に呼び出し濃厚筆おろしSEX！「1回だけだよ」と言いつつ、寝る時間も惜しみ1日中激しく求め合った背徳の中出しアルバイト…！

A married woman, Shinon, started a part-time job as a rental girlfriend to supplement the family income. Her husband, who believed she would never commit adultery or cheat on him, gave his blessing for her to work there. However, on a day when her husband was away on a business trip, the married woman called a virgin college student to her house and had hot sex with him!