Responses
Because that means yoonhee is from that moment on the most important person to seojin, it's basically a nasty sign of how much he loves him loll... Till now his brother bore a sign because of the whole guilt-hate-duty complex seojin felt towards him, but since that's been resolved and our pair is all lovey-dovey again - love rules... Love, death and curse that is but oh welllll ヾ(☆▽☆)
OHHHH!! I knew it Seojin loves Yoonhee so much after his brother but I WASNT EXPECTED HE CAN MADE SUCH A FACE LMAOOOO SEOJIN DUMMY
Tbh I don't understand why Seojin is blushing when the curse mark transferred to Yoonhee's wrist