I think Yahwi don't know how to express his feellings so he treating Jooin like that. LIKE BRO IF U WANT SUM ROLE MODEL DON'T PICK SEUNGHO PICK OTHER PLS.
Bro yess i think Yahwi has a sad backstory making him like this . i really want people to understand, And to wait to see of Yahwi will have character development but for now im on team Yahwi.
if Yahwi treat me like a shit i will gladly say thank you. ^^