Do Kyunwoo is the black sheep in his family of renowned swordsmen. He can't even catch a rabbit by himself. On his first day of fifth grade, he encounters a transfer student and recalls his past life. He had been reincarnated into the world of a game he used to play called [Brave Hearts]. He was already frustrated about being reborn as a loser, but on top of that, the transfer student turns out to be a mid-tier boss who will bring about the destruction of the world!
"Why are you being so nice to me?"
"Because I want to be friends with you."
Do Kyunwoo's plan is to become friends with the transfer student in order to prevent the end of the world! To survive in this new world and achieve the ending he desires, he becomes childhood friends with a mid-level boss.
Original Webtoon: KakaoPage, Daum


Now, the thing that makes me curious is whether this level of cruelty is shown to make the eventual revenge more satisfying or just to highlight the tragedy of the story.
I hope it's not the latter. I want to see the demons experience 100x of what they did