Is This the Kind of Love I Want? manga volume 2 features story and art by Kouki.

It's been a year since businessmen Uta (recently come out as gay) and Ryo (considers himself straight) began living together. After losing his virginity to Uta, Ryo finally realized what it feels like to love someone. And Uta, obsessed with what it means to be “normal,” can't understand why seemingly straight Ryo is letting Uta use him for sex. Their undeniable attraction is interspersed with moments of tragic misunderstanding as Ryo attempts to prove his love to an oblivious and self-conscious Uta… Will the two of them be able to finally communicate their feelings?