A Condition Called Love follows 16-year-old (y/n), who offers her umbrella to classmate Hananoi-kun after seeing him sitting in the snow following a public breakup. When he surprisingly asks her out in class the next day, her peaceful life with family and friends begins to change
Driven into hiding, your (y/n) refuses to remain a liability to Hak. She stops being helpless and learns archery, vowing to grow strong. Guided by an exiled high priest, she learns of a divine prophecy: to survive and fix the kingdom, she must find the modern-day reincarnations of the mythical Four Dragon Warriors—each endowed with supernatural dragon traits (the White, Blue, Green, and Yellow Dragons). Alongside Hak and their young caretaker Yoon, (y/n) travels the realm to win the dragons' loyalty.