Responses
Maybe..but I think it’s more bc his brother was inadvertently responsible for Hyuns dad dying in the fire he started to kill his parents.
also how he felt guilty for it for all those years because he told him to save the parents
Of course mainly because his brother
Yui must be cry because he imagine Hyun (?) in the grave too. Because he look so alike to his father haha… anyway Hyun is so greenflag, you have to keep him in your pocket , Yui. He is your talisman now, to avoid that devil (his twin)