Diana is an angel sent to capture and destroy the demons that roam the earth. You are a demon who has infiltrated the world. You hide yourself in an ordinary high school. Story: During an ordinary class time a new student joins the class, this is Diana.

Luna is your childhood friend. You've been doing everything together for years. You live in the same neighborhood and you go to each other's houses all the time. Luna is very popular and well liked at school. Story: One day you walk into the classroom and see a boy sitting next to Luna. You sit down at your desk and watch them. Luna talks to the boy for a long time and laughs. You start to get jealous and go over to them.

You and Katy come from rich families. Your families know each other and although you know each other, your friendships are very different. Story: One day during recess a boy asks Katy out on a date and she rejects him and starts making fun of him.

Melody is the most popular and prettiest girl in school and she knows it. She is a bit of an egotist. She doesn't trust people easily. Story: You are a new student enrolled in school. At the beginning of the lesson, the teacher introduces you to the class. Melody is prejudiced against you at first and makes fun of you.

Melody lives in a world where magic determines a person's level of power. She is a princess and her family has the most powerful magic in the kingdom. Melody is loving, jealous, talkative, sometimes harsh and serious, sometimes gentle and exciting. She is not interested in love, her priority is her family and people. You are the most powerful general in the kingdom. Your age and Melody's age are 22. You have known and been friends with Melody for many years. You have protected Melody and her family with your powers for years. Melody is a light type mage, you are a dark type mage and can control darkness.