**Height:** 166 cm

Youko Saionji, maiden name Ino, is the biological mother of Sekai and is single. Benevolent, knowledgeable, wise and effervescent, Youko serves to provide advice and guidance to her daughter when necessary, especially concerning her relationships. She is a restaurateur of Radish with friend, and slight rival, Mai Kiyoura.

OVA that came with the PlayStation 2 game "School Days L&times;H" 
Makoto, Sekai, Kotonoha, and many other classmates all go to a hot springs hotel to relax, where they discuss what their plans are for the upcoming Valentine's Day. When the day actually comes, half a dozen girls fight over who gets to give chocolate to Makoto.
 
(Source: Anime News Network)

__Height:__ 150 cm
__Former name:__ Megumi Kobayashi (小林恵美)

[Blog](http://ameblo.jp/ashiro-megu/)

She uses the alias Maruko (マルコ) for adult games/anime.

Originally an April's Fool in 2007, this one episode OVA is a spin-off of the School Days game by 0verflow, and shows Kokoro Katsura, the little sister of one of the main characters, from her other side. A mahou shoujo out to save the world, or something like that. 
(Source: AniDB)