บ่วงรักนาคีใต้ฟ้าคราม

He was destined to destroy the Serpent Clan, until he fell for its saintess. Betraying his own order for love, he chose a life with her. But a jealous enemy twists his heart against her, turning his blade on the woman he swore to protect and igniting a war between humans and demons. Can their love survive the betrayal?