Yuuko Shihoudani

Yuuko Shihoudani (四方谷 裕子 Shihodani Yūko) is Yuujirou Shihoudani's female counterpart. Yuuko only appears in a parallel universe featured as a mini comic in the manga. She also appears in the bonus footage of the anime series. Alongside Touko and Mikoto (Tooru and Mikoto's female counterparts), she's a Prince.

Etymology

 * The name Yuuko means "abundant" (裕) (yuu) and "child" (子) (ko).
 * Yuuko's surname Shihoudani means "all sides, every direction" (四方) (shihou) and "valley" (谷) (tani/dani).