Tōdō Brothers

The Tōdō (藤堂) Brothers are twin brothers who are Ichika Tachibana's tutors.

Trivia

 * The name Sei means "oath" (誓) (se) and "only" (唯) (i).
 * The name Kai means "painting" (繪) (ka) and "commission" (委) (i).
 * The brothers' surname Tōdō means "wisteria" (藤) (tō) and "temple" (堂) (dō).