Stella-Rium

Subaru is a young girl who stumbles upon a mysterious key that grants her the ability to transform into a witch. Alongside a group of other witches, she discovers that they are tasked with collecting fragments of a powerful engine scattered across the universe. These fragments hold the key to unlocking a great cosmic mystery, and the witches must work together to gather them before they fall into the wrong hands.

As Subaru and her companions pilot their magical spaceship through the stars, they encounter various obstacles and adversaries that test their resolve and their bonds. Each fragment they retrieve brings them closer to understanding the true purpose of their mission, but also reveals the dangers that lurk in the vastness of space. With their unique magical abilities and unwavering determination, the witches must navigate treacherous territories and confront their own fears to protect the universe from an impending threat.