Jeo Geureon Injae Animnida

Synopsis

I am a sickly person who vomits blood whenever I get stressed. Deon Hart. However, at the same time as Honorary Count Hart, who is somehow misunderstood as strong and feared by everyone in the Empire, In the demon realm, he became the commander of the 0th Corps, the most trusted by the demon king... Yes?! me? I'm not that kind of person?!