Shintarō Tsushima

Shintarō Tsushima (津島 信太郎 Tsushima Shintarō) is an Administration Bureau member and a school teacher at Ashiharabashi High School that Kei Asai, Misora Haruki and their friends attend who serves as the middle man between the Bureau and the Service Club, giving out tasks by the Bureau to the Service Club and only providing some hints to Kei to help solve the tasks.

Etymology

 * The name Shintarō means "trust, believe" (信) (shin), "thick, big" (太) (ta) and "son" (郎) (rō).
 * Shintarō's surname Tsushima means "haven, port, harbor, ferry" (津) (tsu) and "island" (島) (shima).

Trivia

 * Shintarō is one of the only characters in the series that doesn't have a known ability.