Farewell, My First Love

seventeen-year-old eun-ha has battled a weak heart since birth but has managed to live a normal life following surgery. however, her world shatters when her doctor reveals that she has just one year left to live. on the very same day, ha-yoon, her classmate, is admitted to the hospital due to a devastating car accident that claims the lives of his entire family. overwhelmed by grief, ha-yoon contemplates ending his own life, while eun-ha is determined to embrace the remainder of her days for the sake of her loved ones. although their circumstances differ greatly, eun-ha senses a shared connection with ha-yoon and tries her best to become his friend. with the clock ticking on their time together, are they doomed to say farewell forever?.