Sweet Strawberry You're Mine

Despite his cool appearance, Azusa Okasato is a 25 year-old literary editor who likes cute and girly things. For a long time, he's had an unrequited love for Naoya Maki, the writer he's in charge of. Maki is a handsome best-selling romance novelist from a wealthy family. And a 27 year-old straight man who loves women... Azusa, however, is the person he loves most in the world, and the closest to him—always diligently serving and spoiling him... Nevertheless, one drunken night, Azusa's long-standing unrequited love spins out of control...?!

(Source: Kodansha, translated)