Kathrina Griebel is a member of Sirius. She's a 16-year-old second-year high school student. Her image color is Butterscotch.A 16-year-old from Germany whose parents are both World Dai Stars. After an incident, she left her home country and went to Japan alone to pursue a career in theater.Because she herself has confidence in her skills, she has a high pride and hates to lose