Katrina Michiko is the younger sister of her twin Kaori, shes quite the introvert girl unlike her twin sister, shes a bit shy at talking with newcomers and shes a great friend to have around. They are both friends of Zero which her sister Kaori decided to nickname him Wolfy. She runs with her sister a small sushi bar named Bushidos with the best sushi across town. She dyes her hair on pink for better recognition since they have an identity mismatch in the past.