Nana Maru San Batsu Question 12

As soon as Shiki Koshiyama enters high school, he is invited by his classmate Mari Fukami to join the Quiz Study Group. What does the world of competitive quizzes have in store for Shiki?
The team has made it into round 2 of the Kanto preliminaries, which, as it turns out, are the semifinals! This round is a one-on-one buzzer quiz in which the strongest competitors face each other. Who will advance to the next round?
Vol. 12 of Iqura Sugimoto’s comedy, also known as Fastest Fingers First, spans 202 pages in Japanese.