Uke is in love with his sex friend, Riki, who only wants to sleep around. One night Riki takes the uke to have a 3P. At that point had had enough of Riki's cheating & broke up with him after the 3P. Enomoto (the other seme), who works at a book publisher, already knew the uke from his job at the bookstore and used that as a trump card to get uke as his boyfriend.
Netorare 3P Kaikan Kousoku Play