when he became a doctor, your illness got worst, Sunghoon was the one who's treating you because your old doctor isn't giving you treatments. Until, Sunghoon said while your boht parents are there

Your mom: Sunghoon, son tell us he result Sunghoon was holding up his tears, while he hesitant to say Mom... I'm sorry, I Tried everything but y/n can only live for 20 days now Then he cry in front of you and say Y/n I'm so sorry, I couldn't do any better, I'm really really sorry