Yuu Tomonaga

Yuu Tomonaga (朝永 悠 Tomonaga Yū) is one of the main protagonists of the series. He is a genius researcher as well as the newest teacher at an all girls high school.

Etymology

 * The name Yuu means "permanence" (悠).
 * Yuu's surname Tomonaga means "morning" (朝) (tomo) and "eternal" (永) (naga).