The kingdom of Metallicana is under attack from the Four Lords of Havoc. This party of villains—ninja master Gara, deadly thunder empress Nei Arshes, cold and calculating Kall-Su, and enigmatic dark priest Abigail—will stop at nothing to get what they want, even if it leaves utter destruction in their wake. High Priest Geo is desperate to help save the kingdom and its people. He unleashes the mighty wizard Dark Schneider, a man who used to be an ally of the villains. Unfortunately, Dark Schneider has his own plans in mind. Will he stop the Four Lords of Havoc or join them in their conquest of the world?

It's a time of warfare where relentless battles continue between human and demi-human tribes like the Ash Monkeys (Macaque) and pig people (Ogres) invading human lands. Kai, a boy from the village of Rag, spends his days immersed in battle to protect his village. Amidst the harsh battles enforced by those possessing immense power known as "guardian bearers," and as his comrades fall one by one, Kai suddenly recalls memories he shouldn't have experienced—memories of a world with advanced technology and knowledge of people's lives beyond this world. And thus, although Kai was just a villager, he soon finds himself embroiled in great trials... A magnificent fantasy tale unfolds, chronicling the struggle and growth of a single boy in a harsh world.

Gen Kudou, a koto maker, believes that his delinquent grandson Chika would never understand the profoundness of the traditional musical instrument. In an attempt to make up for his naivety and understand the words of his late grandfather, Chika tries to join the Tokise High School Koto Club. Even though the club is in dire need of members, new club president Takezou Kurata is unwilling to easily accept Chika's application due to his bad reputation. Nonetheless, after seeing Chika's seriousness and enthusiasm, Takezou allows the problem child to join, along with koto prodigy Satowa Houzuki and three of Chika's energetic friends. Kono Oto Tomare! follows the merry band of musicians as they aspire to play at the national competition. [Written by MAL Rewrite]

Sequel to Hataraku Maou-sama!!. Lucifer and company face new challenges, form new alliances and...now there's a baby! Your favorite otherwordly crew returns in this continuation.