Cursed by a witch, the feral and tempestuous Guideau tenaciously searches for the culprit so she can exact revenge. To this end, she joins the Order of Magical Resonance, an organization that deals with everything connected to magic. The Order agrees to work with Guideau in return for her help solving the myriad of magic-related cases occurring across the world. The Order's suave and mysterious mage Ashaf accompanies Guideau for the sake of successfully completing missions. As the pair traverses the land in search of that unknown witch, their experience with the fantastical world of magic grows ever more peculiar the further they advance in their journey.

In a world where humans coexist with androids called Neans, a group known as the Immortal Nine rises up against society. Tasked with disposing of the revolters, a Nean named Rouge Redstar (aka Metal Rouge) and investigator Naomi Orthmann head to Mars to track them down…but first, Rouge wants some chocolate.

The world is divided into two factions: humans and monsters called katawara. Despite being a katawara, Tama loves humans and vows to protect them from evil, even if it means fighting her own kind. Her brother Jinka, however, hates humans, despite mostly being one. The siblings are joined by a cowardly swordsman named Shinsuke, who wants to learn how to become strong. When the group uncovers a plot to experiment on humans and transform them into monsters, they vow to defeat whoever is behind it... Even if it means battling an entire army of warriors. The people they meet, places they see, and creatures they battle will be legendary!

Percival has always lived with his grandfather on God's Finger, a remote haven that sits high above the clouds. And though he loves the simple life, he secretly longs for adventure. But Percival's life is changed forever when an intruder—who shares a shocking connection with him—tears away everything he's ever known. With nothing left to do but chase down the one who took everything from him, Percival sets out on his own. During his journey, the sheltered boy discovers that there are a lot of things he doesn't know about normal life. Luckily, he meets friends along the way who can help him get by—but how will they react when they find out about Percival's destiny... and how it's connected to the end of the world?