Koe no Oshigoto

Yuji Kuramochi is a B-List voice actor. He's currently in a complicated relationship with Junya Kobayashi, a budding star who attended the same acting school. One day, Yuji is offered his first starring role which includes an intimate scene with Junya's character. To his dismay, he lets out an embarrassing sound during the recording! After a night of drinking where he ends up spending the night with Ryuichi, another voice actor, his relationship with Junya takes an awkward turn...

(Source: Nihonbungeisha)