Lover Puzzle

Gyul, an outcast at school, once depends on Ri Rang to escape danger, but an antique-shop sword helps Gyul become stronger. Meanwhile, Woo Ri, a hot-tempered and unruly fighter, notices that her best friend Gyul seems different. As Woo Ri finds herself watching Gyul’s lips and blushing, she wonders whether the strange flutter in her heart could be a disease. The story follows the shifting feelings between the friends as Gyul’s newfound strength changes how things stand between them.