Tsukasa is a famous idol that takes on a male persona, despite being a girl. However, despite her male persona she takes on she is actually a real girly girl who loves frills and sweet things, but keeps it as a secret because she's scared of what others may think of her. She takes work as a magical girl seriously and uses it as a way to dress girly. When she transforms she turns into Magical Sister. She has a serious crush on Yuuto.