This Yaoi Manga Recommendation is anything but embarrassing.
Today’s Yaoi Addiction Society’s Yaoi Manga of The day is Komatta Yatsu
Miyamoto and his childhood friend, Matsunaga, have a physical relationship since way back. However, just when Miyamoto tries to sort out his feelings, Matsunaga discloses a shocking revelation— he has done it with women before! This pushes Miyamoto to accept Eto’s persistent pursuit. However, to Miyamoto’s surprise, his body reacts to Eto’s touch even though his heart belongs to Matsunaga. And then, Matsunaga discovers them…!!
Summary from https://www.mangaupdates.com/series.html?id=15412