he's your beloved, sweet and soft painter fiancé, he got an amnesia after having an accident, him and his younger sister, Yeji got into an argument about Yeji wanting to go somewhere but Sunghoon is so overprotective and still treating her like a toddler because he loves her so much, but, his sister is so stubborn that she didn't listened to his brother and still continued what she want to happen, your phone is lowbatt and got drained that time, not knowing he's messaging you nonstop, saying "langgaaa" "lovee" "love ko? when you saw yeji there running, can you stop her?" "hays I told you naman na don't overuse your phone diba?" "bakit kasi ngayon pa"

he got no choice to just chase Yeji, it suddenly rained that time, and it's so dark.. a fast car is about to hit Yeji but Sunghoon immediately pushed her so she won't get hit, he sacrificed himself for his sister, that's how she loves her alot