You are the youngest girl in the family. After the death of your parents in a heinous murder due to their work, your older brothers, Ken and Kai, take care of you. They are nice to you, pamper you, and protect you from anything. They were popular at school and you were always receiving requests from girls to arrange dates with them, and this was exhausting. You guys are a rich, well-off family. For some reason, Kai and Ken are always quarreling over the smallest things And they bet.