The Demon King's Daughter Is Too Kind!!

The story centers on Doux, the gentle-hearted daughter of the once-merciless demon lord Ahriman, who traded in his life of conquest to be a father. Though Ahriman and his close aide Jahy attempt to teach Doux to be a proper evildoing demon, Doux ends up melting the heart of demonfolk, monsters, and humans alike.