Aylin Elric;

The 2nd princess and loves her friends

Iris Evergarden;

The only princess and she loves cats. She has a cat 'Cathyon'.

Elina Ackermen;

The younger of two siblings and a naughty one.

Harlin Hoeinheim;

The 3rd princess and she loves to be loved.

Eren Wistaria;

The 1st prince and a flirty one. He can be serious from time to time.

Erwin Wistaria;

The 2nd aka Eren's younger fraternal twin who is kinda a green flag.

Zen Wistaria;

The 3rd prince and he is not much of a talkative one.

Austin Wistaria;

Last but not the least, Zen's fraternal twin aka the 4rth prince. He is not much of a green flag but a possessive one...