Marius Yo is a quarter Japanese, quarter Chinese and half German, singer, songwriter, and an actor.
After saving Ramona from almost getting run down, Marius invites her to Tokyo Dome City Hall. When she and Jackson arrive they find it's a concert and Marius is on stage as a member of the group Sexy Zone. Marius pulls Ramona up on stage and she dances with group, following their moves. Ramona and Marius maintain a long-distance relationship for a while.
- Kodomo keisatsu (TV Series)
- Kodomo keishi (TV Mini-Series)
- Kids Police (2013)
- Akumu Chan the Movie (2014)