#Kono Renai wa Fiction desu

Overview

"Don't you remember? We've done it before." Towa works as an influencer for an apparel brand while paying off his ex-boyfriend's debts. One day, the president of a production company he knows asks him to appear on a dating reality show. Joining only for the appearance fee and with no intention of falling in love, Towa feels completely out of place. However, one of the participants, the charismatic composer Minami, rumored to have countless lovers, keeps persistently pursuing him. As it turns out, Minami was once a client back when Towa was selling his body for the sake of his ex-boyfriend...!? (Source: Kaiohsha, translated) Note: Includes one extra chapter.

Source: AniList