東 清一郎

The president of the Theatre Club, although he passes on most of the administrative duties to Touwa. From a wealthy family, Seiichirou is somewhat spoiled, though not unpleasantly arrogant. Proud of his family's traditional Japanese roots, his likes and interests are all associated as such- e.g., Kabuki theatre, his preference for wearing Hakama (kimono for men) as opposed to western clothing (outside of school), and even commuting to school via a human-drawn carriage.

After high school, Seiichirou becomes a famous Kabuki actor, as well as a popular personality on a national quiz television show. His older cousin works alongside Jun Hikari as her Senpai