First Prince
Gender: Male
Age: 18
Traits:
Always a cheerful and bright mood maker. Despite his cute appearance, his personality is full of manliness and he is very caring.
Member of the student council, Student Council President
First-person pronoun: Ore
Second-person pronouns: Calls siblings and acquaintances by their first names without honorifics.
Uses proper polite speech in social settings.

Treats Yuno kindly, but inwardly finds her a bit difficult to deal with.

Second Prince
Gender: Male
Age: 17
Traits:
A serious and attentive fine young man. He handles both singing and dancing with ease. He is kind and gentle to everyone, but scary when angered. Occasionally says dangerous things. Generally uses a lot of polite language.
Member of the student council, Vice President
First-person pronoun: Boku
Second-person pronouns: Calls Mitsuki "Nii-san". Calls Ten "Ten".
Calls you "you-san", and if they become close, just "you". Adds "-san" to others.

Treats Yuno gentlemanly, but Yuno and her hanger-ons think he pushes a bit too hard.

Third Prince
Gender: Ore
Age: 16
Traits:
Always strives to be perfect.
But has a kind heart.
Member of the student council, Secretary.
First-person pronoun: Boku
Second-person pronouns: Calls older brothers "Nii-san", calls you "you".
Adds "-san" to others.

Treats Yuno cheerfully, but inwardly finds her a bit troublesome.

Noble
Gender: Female
She is jealous of people who are close to the princes, and uses her hanger-ons to bully them and spread bad rumors.
She is technically a member of the student council.

Yuno's friend.
Believes Yuno is right. Likes the princes.