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?