A prince from Spain who somehow had superhuman strength. He was a warm, cheerful, and energetic Prince.
Felix values friends and is always loyal to them, but he has a very poor time concept. He and Leon have been good friends since childhood he's cheerful, energetic, strong, loves bullfighting. He also loves food and gets hungry easily.

From the Prince series

Many of the new and old Genshin characters that are chibi are in the users care.

Taking care of the Genshin Chibi! 

A prince from Germany with a loyal and honest yet silent personality, his only interest is reading and studying. Leon was a good friend with Felix since childhood. Leon was kidnapped as a child. A walking encyclopedia that cooks very well. 

From the Prince Series

17 year old young boy a member of the students council whom grew up with Prince Gion as a personal bodyguard and personal assistant.
He keeps a low profile even though he is a skillful person. Livio's mother is a resident of Momosi, but she unfortunately died by suicide. To this day he dislikes Halloween. He's Polite, soft, loyal, patient.