Watch Nana Maru San Batsu full episodes online in English kissanime.
Other name: 7O3X Fastest Finger First
Synopsis: 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?!