Don't Call Me Dirty Series by Gorou Kanbe

After some time in a long distance sort-of-relationship with his crush, Shouji is crestfallen when weeks of getting ghosted finally result in a confession: his boyfriend just isn't gay. Having struggled with his sexuality for years, Shouji throws himself into his work to distract himself from the rejection— but when a young homeless man called Hama shows up at the shop, Shouji finds himself curious to learn more about him and, hopefully, befriend him... moreAfter some time in a long distance sort-of-relationship with his crush, Shouji is crestfallen when weeks of getting ghosted finally result in a confession: his boyfriend just isn't gay. Having struggled with his sexuality for years, Shouji throws himself into his work to distract himself from the rejection— but when a young homeless man called Hama shows up at the shop, Shouji finds himself curious to learn more about him and, hopefully, befriend him. Attempting to make their way in a society that labels each of them as 'outcasts' and 'dirty,' the two men grow closer. Together, they begin to find they have more in common than either of them could have anticipated. less

Long before the events of Don’t Call Me Dirty, Hanao Kaji and Ryuuji Mita were close friends...When Ryuuji is left to raise his son Shouji as a single father, Hanao steps up to help him out. At first, their family life is happy and content, but Hanao's true feelings for Ryuuji become more and more difficult for him to ignore... moreLong before the events of Don’t Call Me Dirty, Hanao Kaji and Ryuuji Mita were close friends...When Ryuuji is left to raise his son Shouji as a single father, Hanao steps up to help him out. At first, their family life is happy and content, but Hanao's true feelings for Ryuuji become more and more difficult for him to ignore. The pressure of staying closeted eventually becomes too much to bear; Hanao leaves, choosing to run from his feelings and his fears of somehow “messing up” Shouji’s life when he starts getting teased at school for having two dads.  Years later, when he comes home to care for his aging father and ends up advising Shouji on his blossoming relationship with Hama, Hanao realizes it's time to face his own past… and his future. less