Responses
What Lies At The End
http://www.mangago.zone/read-manga/geu_kkeute_issneun_geos/
I think is this one
Buy it on Lezhin. It's officially translated into English.
Sorry for the long post!!! But I need all the help in the world to find a manga/manwa that is about two twins that one is a bully and make the oder to commit suicide but when this brother wakes up is other person in that body. Other soul that is a poor boy good at boxing and he knows a guy at the school because they were childhood friends and this guy notice and recognize his ''friend'' in the Twin body.