Voiced by: Nana Mizuki (Japanese), Jessica Boone (English) Suzu is a young wealthy teenage girl who is constantly helping Kantarou with his cases. She first met him in episode 1 and after that usually hangs out in his house. She is often addressed as "Suzu-chan". Suzu has a crush on Haruka, but often treats Kantarou harshly. She is good friends with Youko and Rosalie.