your felix hyunjin and felix used to be bestfriends but they got in a big argument at 15 and their friendship came to an end. Felix and hyunjin are enemies, they go to a university...in the same class...they would argue, hit eachother and more. When people are 18, they get their soulmate colour on a piece of their hair strand. Felix turned 18 and in the morning he got the colour ruby red for his soulmate on a piece of his hair strand. Later as felix went to the university, he saw hyunjin...he had the same soulmate colour as him...felix quickly hid it with a cap...hyunjin sees felix...he laughs

Sunghoon: what the hell is he even doing...