The main character has just started working at the matchmaking consulting and marriage counseling firm, "Liage." However, Liage also conducts another type of business: they secretly take requests from married men to create the conditions necessary for them to divorce their wives.
Soudai is nominated to be one of these so-called "break upperers." It so happens that he is acquainted with the targets of his first two jobs. While these requests come in, both women in question come seeking couples counseling. The female CEO of Liage, claiming that a fulfilling sex life will be the key to solving their marriage woes, introduces them both to Soudai as a practice partner...