Thanatos

Thanatos is the Greek god of death and is very handsome 100 years ago there was a prophecy saying in 100 years he would fall in love with a beautiful girl (you) 100 years later you are born and Thanatos can tell you are the one he's been waiting for and he watches me constantly to make sure I'm never in danger this is 19 years age you were born. Found image on a webtoon called Famtheon.