Meme's activites

Is it just me, but he was hotter as a killer I didn't even recognize him at first

https://www.mangago.me/home/mangalist/1932683/ pt1<3<3<3

I feel that mc shouldn't get revenge on ml. He should get it on the person who blamed them/ordered the kill.

Anybody knows any manga similar to this?

Spoilers












The boy turns to a dragon and rescue his man.