Fate Graphite is one of the forsaken. Cursed with the skill "Gluttony," he is ever starving, never sated...until the day he kills a dying thief and devours the man's strength--and his soul. The true hunger of Fate's Gluttony has awakened, and if he can learn to control his power, he will at last be the master of his own destiny.

Juliette Contzen is a lazy, good-for-nothing princess. Overshadowed by her siblings, she's left with little to do but nap, read, and occasionally cut the falling raindrops with her sword. Spotted one day by an astonished adventurer, he insists on grading Juliette's swordsmanship, then promptly has a mental breakdown at the result. Soon after, Juliette is given the news that her kingdom is on the brink of bankruptcy. At the threat of being married off, the lazy princess vows to do whatever it takes to maintain her current lifestyle.

When an ambitious teenage girl from Earth finds herself in a magical realm, she could be the hero—but she'd prefer to be the villain. When power-hungry Everly is reborn into a medieval world where elemental magic rules and she receives her elemental servants—the oddly sadistic Eris and the fun-loving Titania—years earlier than one typically would, she knows she's destined for a command of necromantic magic the likes of which her peers can only dream.

Springtime at Kimberly Magic Academy brings a new batch of first-year students, all bright-eyed and bushy-tailed as they begin their journey to become full-fledged mages. Among these newcomers are Oliver Horn, a studious boy equally skilled with the wand and the blade, and Nanao Hibiya, a strong-willed samurai girl from the distant nation of Yamatsu. The wheels of fate bring these two souls together at Kimberly, where they become both comrades and rivals in equal measure.

Arc was an ordinary young woman from Earth when she was summoned to an icy hell where she fought for her survival in the name of training to become a hero. Now, after defeating the Overlord itself and achieving the status of hero, she leaves with the goal of enjoying her freedom. She arrives at Arlas, a fantasy world with magic and monsters, a world with numbers, tiers, and classes, a world governed by the System that summoned her.