第 11 集: 真冬的聖誕難題：牽涉多重關係與後果
2007年9月12日 播出
Christmas is coming around the corner, and although Makoto is dating Sekai, it seems as if he wants out of it. So it appears as if he is haphazardly getting himself involved in other relationships, despite his promise to Setsuna. Now things are going terribly wrong, as Kotonoha loses herself, Sekai finds out about Makoto's infidelity, Setsuna's move to France and most importantly a sudden change to her body... (Source: Crunchyroll)