Lover Puzzle

Gyul, the outcast of the entire school, who used to be unable to get away from dangers without Ri Rang’s help becomes strong with a sword obtained at an antique shop?!
Hot-tempered, unruly fighter Woo Ri and
my best friend Gyul suddenly seems different?
My heart beats when I see Gyul!!
Without knowing my eyes turned to look at his lips, and I could feel myself blushing.
This is not a disease, is it?