Also one of Ruby's classmates in the Plum Section, Shouko is a bit of a favorable girl who sometimes has a tomboyish personality and likes candies. Sometimes has a lollipop on her mouth, she is friends with Charlotte and Waniyama, who sometimes disagrees with Ruby on some things. She is shown to have a banchou-like personality, very competitive during races and also has a bit of a bitter tongue since the first grade. Although she usually gets punished for cleaning duties, she is an expert on riding motorcycles and motorized scooters and always keeps her promises. Despite of her harsh behavior, she sometimes shows her softer side towards some things like Rald or her crush towards Master.