Erika Hatsugawa - She is a girl dreaming to be married to the Imperial Prince of Japan, therefore making her the Empress. However, the fact that she is living in a substandard household renders her impossible to achieve this dream. She is quite loud-mouthed, obnoxious and delusional when she flaunts her "royal" status. So she has to chill sometimes.

Kairo Moriyama - A transfer student in Seito Gakuen whom Erika met in the bus, therefore living in the same neighborhood as Erika. He is a bit timid around crowds, but quite talkative and mischievous whenever he's around the people he knows. Right now, he is Erika's new roommate.

Sachiko Hatsugawa - Erika's mother. She only stays within the house to take care of her two children + 1.

Akito Hatsugawa - Erika's younger brother who's in first year middle school. He is quite naughty but he loves soft slash huggable things.

Shinichiro Mario - Seito Gakuen's History Teacher and Class 1-B's adviser.

Himari Matsuyama - Erika's bestfriend since childhood. She had to tolerate and handle Erika up until now in Seito Gakuen.

Maeno-sensei..... who needs to know about Maeno-sensei?

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