Shiketai: Nihonshi de Shiken Taisaku Iinkai

Riku Fujishima was given a mission: to help two special students, Suzuno and Yuka, who had received a failing marks in their Japanese history exam, pass the supplementary exam. Riku decided to form an "Exam Preparation Committee," beginning with the honor student Satoko and the child prodigy Olga.

(Source: Fantasia Bunko, translated)