25 Ji, Akasaka de

When Shirasaki, an underdog stage actor, gets cast in a gay drama series, he is surprised to learn that he will be working with Hayama, his charming clubmate from university who is now a popular actor. During production, Shirasaki realizes that he will need some inspiration and goes to find somewhere the local gay people hang out. What he didn't expect was to meet Hayama there, which eventually led to a kiss. He soon finds himself confused and conflicted about his feelings as he struggles to keep his emotions contained on-screen…
(Source: GagaOOLala)
~~ Adapted from the manga series "25 Ji, Akasaka de" (25時、赤坂で) by Natsuno Hiroko (夏野寛子).