Overall Story Summary "I've Fallen for the Demon Lord, You Uncouth Girl" follows the tumultuous relationship between spoiled noblewoman Phletia Dezley and the powerful Demon Lord Allentide, which begins when she accidentally summons him to escape an unwanted political marriage. Plot Development The story begins when Phletia's parents arrange her marriage to Grant Ballon to resolve their 90-billion debt. Desperate to avoid this fate, Phletia accepts the challenge to spend one night in her family's forbidden Spirit Cathedral, where she accidentally awakens her ancestral summoning abilities when attacked by vampire bats. Instead of a simple demon, she summons Allentide, the most powerful ruler of the demon realm.