Yane no Shita no Artemis

A university student named Sanosuke Saraki takes a part-time job at his former high school and reconnects with Koharu Kobachi, a former classmate he once admired for her brilliance. Now in her fifth year of high school, she is repeating her senior year for the second time. Saraki's goal is to assist her in graduating before the year ends. The story explores their efforts as they work toward that objective.