Jinko Sasajima

Jinko Sasajima (笹島 迅子 Sasajima Jinko) is a first-year student at Buzō Prefectural High School who is the technical member of the Buzō quiz circle where she created the buttons for the quiz circle to practice with and the younger sister of Gakuto Sasajima.

Appearance
Alongside Mari Fukami, Jinko is known to be a pretty girl by many with chest-length hair that is tied up into twin tails with bangs hanging over forehead and dark brown eyes.

Jinko has variations in her uniform, but she is mostly often seen in a short-sleeved uniform shirt, with a blue track jacket and a pair of track pants folded just below the knee under her skirt.

Personality
Jinko is an eccentric girl who doesn't not care much for formalities. As seen in Episode 5, Jinko dismantles the quiz buttons of Miyaura High School, just to take a look at the mechanics of the button. Jinko is also a positive girl as she states in Episode 7 that competitions are fun because no one knows what will happen.

It is noted that Jinko speaks with an accent. Her accent comes from living in Kyoto as a child and not bothering to change it like Gakuto Sasajima did.

Skills
Jinko has not been seen participating in quiz matches with the Buzō quiz circle. Instead, she has helped the team by creating quiz buttons for them to practice with. Jinko has shown to be passionate about learning mechanics.

Trivia

 * The name Jinko means "swift, fast" (迅) (jin) and "child" (子) (ko).
 * Jinko's surname Sasajima means "bamboo grass" (笹) (sasa) and "island" (島) (shima/jima).