Mari Shikido

Mari Shikido is a female working at the same convenience store as Kazuomi Ōga.

Etymology

 * The name Mari means "ten thousand" (万) (ma) and "village" (里) (ri).
 * Mari's surname Shikido means "floor" (敷) (shiki) and "door" (戸) (to/do).
 * Shikido is an homage to the Shikido Station in Ōita, Japan.