False Memories, Vol. 1 (Yaoi Manga)

Although they were best friends in high school, Nakano and Tsuda haven't talked in ten years. Which may have a little something to do with the fact that not only were they more than best friends, but also that Tsuda broke Nakano's heart, leaving him to pick up the pieces. Now that they’ve been thrown back together thanks to a work project, Nakano is determined to put the past behind him, and both men decide to keep their relationship strictly professional. The question is, can they? -- VIZ Media