Kōichi Tachibana

Kōichi Tachibana (橘 浩一) is the husband of Yumiko Tachibana and the father of Aiko Tachibana and Ryota Tachibana.

Etymology

 * The name Kōichi means "prosperous" (浩) (kō) and "one" (一) (ichi).
 * Kōichi's surname Tachibana means "orange, tangerine" (橘).