Manga by author Brothers Without A Tomorrow - Status completed

Hwa Gok is just a normal university student, until he sees a girl being attacked by the popular Lee Bin, and jumps in her defence. The only problem is that Lee Bin is more than meets the eye

.With the screech of rubber and a crunch of metal, Dojin departs the mortal world, leaving behind his beloved sister and niece. He awakens in the kingdom of Yooguk, where the people call him "emperor" and serve a god named Yellow Dragon. Dojin soon discovers that Yellow Dragon called him to Yooguk for a purpose: to share his "life force" and protect the kingdom. As Dojin slips deeper into Yellow Dragon's cold embrace, how far will he go in order to get back home?

.After the death of his wealthy step-father, his mom and him started a miserable life at a small and fishery island. In the day he became 20 years, his step-brother appeared, wanting to take him away. Due to his mother sickness, he decided leave the island with his step-brother...