T.P. Sakura: Time Paladin Sakura

T.P. Sakura: Time Paladin Sakura | T.P.さくら〜タイムパラディンさくら〜時空樹防衛戦 | T.P. Sakura ~Time Paladin Sakura~ Jikuu Boueisen

The project is a spinoff from Circus's D.C. Da Capo franchise and features the Yoshino Sakura character as a seemingly ordinary third grader with secret special powers. (Source: AniDB)