Maou no Musume wa Yasashi Sugiru!!

The fearsome Demon King who seeks to conquer the entire world has abruptly put a pause on his campaign. The reason: His daughter is so kind that he's worried she'll stray from the path of demons! Determined to turn her into a merciless and fearsome heir worthy of the throne, he enlists the help of his trusted aide. World domination can wait, for a parent's duties come before a king's! And so begins a devilishly cute and heartwarming comedy!

(Source: Yen Press)

Note: Original serialization concluded on 2021-10-07. Serialization resumed on 2023-01-09.