Sono Toki made wa, Kimi no Tomodachi Friend Now—Something Else Later.

Synopsis

Shouta, a college student who suffers from hearing loss, and Ryuu, a hairdresser, are best friends. As roommates, up till now their lives have been really good. But one day, Shouta gets confessed to by a girl! Although Shouta is pleased, Ryuu becomes desperate to suppress his growing feelings. (Source: Kadokawa, translated)