Attack On Titan

Boring title but please give it a try! You won't regret it :))
Summary; Levi got into an accident, only to wake up and find himself in a foreign place where creatures called 'Titans' roam the land. There, he find himself getting called 'Heichou'. What exactly is going on? How did he end up in a foreign place when he is supposed to be in the hospital after his accident? Read to find out :))
Inspired by recent korean drama called scarlet heart ryeo :x