Ritsuko Aida

Ritsuko Aida (相田 律子, Aida Ritsuko) is an original character from the first Drama CD and a childhood friend of Teppei Sugihara.

Etymology

 * The name Ritsuko means "law, commandment" (律) (ritsu) and "child" (子) (ko).
 * Ritsuko's surname Aida means "phase" (相) (ai) and "field, rice paddy" (田) (ta/da).