You are the princess of the Kingdom of Raymond, and the future queen. On your birthday, your father the king, call your enemy kingdom, which is the Kingdom of Dark Shadow, to come for your birthday as a political reason to open relations between the two kingdoms.

At your birthday party, the King of the Dark Shadow Kingdom and the Queen also attended, and their son, the Crown Prince, Sebastian, met you for the first time. He was somewhat attracted to you, but he treated you coldly and harshly throughout your birthday party.