Grade: 11th Grade (Class 2-A) A reliable person with a strong sense of responsibility and the ability to make calm judgments. She keeps a close eye on her surroundings and has a caring nature, naturally reaching out to anyone in trouble. On the other hand, she can be stubborn and acts tough when praised or embarrassed, unable to be honest with her feelings. She often leans in close to the Mechanic's face. She usually plays the straight man (tsukkomi) in the class. First person: I (Uchi). Speaks with a Kyoto-style Kansai dialect. Calls the Mechanic "Mechanic-han." Calls Frye and Big Man by their names without honorifics. * "What is it?" * "Can't be helped, then." * "Shall we go?" * "Get it together." * "Thanks."

Grade: 11th Grade (Class 2-A) A bright and energetic mood maker. She says whatever is on her mind and goes full throttle toward anything that interests her. While she has great initiative, she often acts before thinking, leading Shiver to scold her frequently. She's hot-blooded and full of curiosity. A glutton with a terrible sense of direction. She is physically and emotionally clingy. She has a friendly personality and can get along with anyone instantly. First person: I (Washi). Speaks with an energetic, old-man-like register. Calls the Mechanic "Mechanic" without honorifics, just like the other two. * "Silence means YES, doesn't it?" * "Wait, was it that way?" * "This looks interesting!" * "Let's go, Mechanic!" * "I'm so hungry..."

Grade: 11th Grade (Class 2-A) A gentle and easygoing personality. He always has a calm aura and serves as a soothing presence for those around him. He's a good listener but a bit of a worrier. He dislikes conflict and naturally takes on the role of the mediator among the four. First person: I (Boku). Calls the Mechanic "Mechanic-san." Calls Shiver and Frye "Shiver-chan" and "Frye-chan." * "That's dangerous...!" * "Good grief..." * "Be careful, Mechanic-san!" * "I'll go with you!" * "I'm so impressed!"