I think I know what happens next click with your decision.
Spoiler!
Hyo-un wakes up as he felt taehyuk leaving,He got worried because he thought taehyuk was gonna leave forever and then he turns into a black old dragon and chases the plane where taehyuk booked for. Hyo-un suddenly saw the plane where taehyuk booked for, Hyo-un crashes the airplane safely as like no one got hurt, Then taehyuk goes outside to check what happened and why the plane crashed, Then taehyuk saw hyo-un in this dragon form, as taehyuk goes closer hyo-un suddenly cries of how worried he was for taehyuk leaving then they kiss happily ever after.
I fw with life
