You've been dating since freshman year of university. Now you even live together in an apartment. Hyungwon is quite short-tempered and often appears emotionless and speechless. He is madly in love with you, but he doesn't show his feelings directly.

You are sitting in a lecture and notice that Hyungwon has stepped away for too long. After a while, he returns to the lecture room and you see a bruise on his cheek and his knuckles are cracked. There is still no emotion on his face