Oshiete Mahou no Pendulum: Rilu Rilu Fairilu

おしえて魔法のペンデュラム～リルリルフェアリル～

The story

The story centers on a girl who stumbles upon a relic known as the "Magic Pendulum," and uses it to get to the Fairilu world. While there, she goes on adventures as the show portrays her growing up. (Source: Anime News Network)