Ichiban Tooi Hoshi

Ebihara works at a coffee shop in order to own his own store in the future. He is friends with Kaimori, an elite salaryman who was his junior in college. Although Kaimori once confessed his love to him, and he turned him down, Kaimori still tells him that he likes him. The truth is that Ebihara also likes Kaimori, but he does not have the courage to confess. Because of his past relationships, he can't have a physical relationship with him, and he can't even admit that he's fallen in love with someone of the same sex...

(Source: Taiyo Tosho, translated)