Set in the flourishing world of Jinga that was formerly a prosperous and peaceful realm, the female protagonist is deemed to be the key to bring back order and to rule this world. Chaos started when people, specifically soldiers, who have special powers like turning into a vampire and a man-wolf, called the Getsugazoku, fight for their land. These soldiers of different species would put their life on the line and fight as they follow their own thoughts and ideals. Until one day, she was called by a mysterious lady named "Himemiko" due to the protagonist's blood bearing a mysterious power to give strength, healing, and to awake Jingazoku's real form. This is a story of love and war that she must not miss in order to rule the world.

Suddenly dying from overwork, salarywoman Azusa Aizawa finds herself before an angel, who allows her to reincarnate into a new world as an immortal witch, where she spends her days killing slimes for money on an otherwise eternal vacation. But even the minimal experience points from slimes will add up after hundreds of years, and Azusa discovers that she accidentally reached the maximum level! Fearing that her strong abilities will attract work and force her back to a life of overexertion, she decides to hide her strength in order to preserve her peaceful lifestyle. Despite her efforts, tales of the max level "Witch of the Plateau" spread across the land, and a proud dragon named Raika shows up looking to test their strength against her. Even though Azusa defeats and befriends Raika, problems arise as both friends and foes come looking for the secluded witch.

The second season of .

When Myne learns that the Holy Church is in need of mana for their relics, she sees it as her chance to be cured of her life-threatening mana disorder. After seeing their bountiful library, she throws herself headfirst into the Church's grasp and begs to join their order. In exchange for her service and her unusually bountiful supply of mana, Myne is given the blue robes of a noble-born apprentice priestess, despite being a commoner. To Myne, all this talk of mana and nobility is trivial, as she now has access to an unlimited supply of books! As Myne transitions into the next phase of her life in this new world, she soon learns that achieving her dream has come at a heavy cost. Noble society is severe, unforgiving, and fueled by politics and neglect. She must now deal with the class conflict between the noble-born blue robes and the common-born grey robes, the High Priest's attempts to oust her, and constant behavioral issues from her new retainers. With the help of her family, friends, and the enigmatic Head Priest whose loyalties and motives remain unknown, Myne seeks to overcome these obstacles and continue on the path to becoming her ideal self—the ultimate librarian! [Written by MAL Rewrite]