Artemis Under the Same Roof屋根の下のアルテミス ; Yane no Shita no Artemis ; Artemis Under the Roof

A prodigy of science and a solitary genius—yet terrible at so many things!?Poor university student Sanosuke Saraki unexpectedly reunites with his admired genius classmate, Koharu Kobachi, at his part-time job back at his old school. However, this supposed genius is now a "th year high school student" who has repeated her second year in a row...! Saraki's mission is to "make Koharu graduate by the end of the year."