I forgot the name of the manhwa but basically the mc doesn't have a right arm and he was killed because of his cousin or brother (not sure) and he reincarnated into the descendant who he taught before?
https://www.mangago.zone/read-manga/standard_of_reincarnation/
Thank you!!!
I forgot the name of the manhwa but basically the mc doesn't have a right arm and he was killed because of his cousin or brother (not sure) and he reincarnated into the descendant who he taught before?