Fate/Extra CCC: Fox TailFate/EXTRA CCC FoxTail; フェイト/エクストラ CCC FoxTail; フェイト/エクストラ CCC フォックステイル

The series is set on the Far Side of the Moon Cell, where BB used her abilities to create the Sakura Labyrinth. She brought over various Masters and Servants from the Moon Cell Holy Grail War on the Near Side, some taken instantly before their deletion and others brought during the sixth week.(Source: Type-Moon Wikia)