Fastest Finger First
Alternative: 7O3X, Nanamaru Sanbatsu
Status: Finished Airing
Genres: Game, School, Seinen
Description
As soon as he entered high school, the first year student Koshiyama Shiki was invited to the mysterious Quiz Study Group led by his senpai. What will Shiki run into when being dragged along by his class mate Mari into the dazzling world of competitive quizzes?!
(Source: Comic Walker)