College

Soulmates are connected with a mark that appears when anything romantic happens. Marks are different for each pair. If a soulmate dies, the mark will disappear and find another soulmate. It will appear again when romance happens between the next soulmate. When Katsukis soulmate died, he thought it would be the end of the world. He cried of emptiness and even harmed himself until a game of spin the bottle gave him a new soulmate in college.