What animation is this picture?

Misteor, a fan book by the painter mio.

The character prototype comes from the anime "Mentor HitmanReborn"?

In the Japanese anime "Mentor", the Italian mafia, a member of Balian, the ninth-generation assassination unit of Vongola, has long blond hair, neat bangs covering her eyes and a crown on her head. The biggest features are sharp "hee hee" laughter and white and neat teeth. As far as combat effectiveness is concerned, it is the most talented and powerful in the Eight Company. Because he likes killing people, he volunteered to join the assassination force, and the killing method was cruel. He is called "the prince? That? Ripper).