Dragon: My Wish As A Dragon
And now because I'm a coward I can't say the truth when it's most needed.
Kiba knew about their boyfriends after he was given the extra 'Devil Jobs'. But he didn't say anything, he was scared of what could happen, both, to his best friend and his master. He was no one to talk, a mere servant and that's all. Ever since discovering they were their boyfriends, he wanted to tell Issei but he didn't know what would happen.
Sometimes, he was too exhausted and tired. The body had its limits, and with everything he had to do, he reached his.