Totsuzen Papa ni Natta Saikyou Dragon no Kosodate Nikki: Kawaii Musume, Honobono to Ningenkai Saikyou ni Sodatsu

A dragon is unexpectedly tasked with caring for a young human girl named Olivia, who affectionately calls him "Daddy." Though revered by humans and possessing great power, the dragon is gentle and somewhat clueless, quickly becoming devoted to raising Olivia. As the girl displays remarkable intelligence and rapid growth, the dragon faces the challenge of helping her navigate her next step: receiving an acceptance letter to attend a human school. The story follows their evolving relationship as Olivia continues to develop, hinting at a future where she may become one of the strongest humans.