The Demon King And The Fifth Hero (악마 왕과 다섯 번째 영웅)

A 15 years old kid Kazese kajou, after being mentally tortured by his fate and bad luck wants to be free from everything that is happening in his life. One day after a unlucky incident he cries so hard that his soul comes out and reaches the heaven. Just when 'Kami' (God)-sama seems to be looking for a volunteer to travel to another world. After the fourth hero being sent some years ago according to the dimension timeline, there had been no news about the forth hero and the heroes before him. It was Kazese's job to find the reason behind the disappearance of the heroes and to defeat the demon king. And in as reward, he was to be given three wishes were one wish was reserved and the two wishes were for him to decide. But it isn't easy as he had thought.