Atelier Ryza: Ever Darkness & the Secret Hideout The Animation

 The village of Rasenboden lies on Kurken Island, which is surrounded by a lake. Time travels slowly on this island that's on the outskirts of the Roteswasser Kingdom. In this quiet little village with very little excitement lived Ryza, a girl with entirely too much energy for this quiet village, whose main feature was that she's so ordinary that she has no outstanding features.

"Sigh... I wonder if there's anything interesting to do..."

Ryza wasn't satisfied with solely being known as an ordinary farmer's daughter in the uptight, boring little village. So one day, she sneaks onto a boat boat with her childhood friends Lent and Tao, and they have their first adventure to the opposite shore. There, she encounters a man who uses a mysterious power called alchemy. Ryza is completely enchanted by this power and asks him to teach it to her. From an ordinary farmer's daughter to an alchemist... This was something completely new. Their own little single summer adventure is about to begin—

(Source: Crunchyroll)

Note: The first episode aired with a runtime of ~48 minutes.