Synopsis: Youma Hiromi was a 21 year old incapacitated man. One day, a shadow came into his hospital room, Youma thinking that it was the death god and his time had already come, accepted the invitation of the mysterious shadow. When he woke up he found out that he was no longer incapacitated and that he was the "6th hero" in a new world?! or maybe not, as there could only be 5 heroes. Now he has to survive in a new world, but his new body is not what he expected it to be. For what reason was he brought to this world that already has 5 heroes? Why is his body so unstable?!
Original Source: https://isekailunatic.wordpress.com/double-edge-hero/