It’s Finally Love, Demon Lord!

Read manhwa It’s Finally Love, Demon Lord! / 마침내 사랑이에요 마왕님! / The Demon Queen Is in Love!
After unifying the Demon World and leaving the Demon Castle for a while, the Demon Lord Eligor (600 years old), who was living a boring life, saves a boy from his appearance while taking a walk. He’s a paladin, I’m the devil! This emotion, shaken by mere human being, “Is it anger after all?”