Despite being a handyman with a wide range of skills, Saitou is severely undervalued and underpaid. When he complains, his boss fires him, claiming that he is easily replaceable. As if his luck was not bad enough, a truck suddenly hits and kills Saitou on his way home. Surprisingly enough, Saitou does not die; instead, he is transported to another world. There, he meets a party composed of the female knight Raelza, the moonlight fairy Lafanpan, and the mage Morlock, who are all coincidentally looking to recruit a new member with a skill set like Saitou's. Throughout their time together, Saitou uses his expertise to assist his fellow party members and soon comes to receive the recognition he never thought was possible. However, Saitou's presence may just be the catalyst that will connect a diverse cast of people from different places, slowly uncovering the fate that could bring a great change to this world.

Barsburg Empire's Military Academy is known for training elites who bring victory to the empire. Students of the academy freely utilize an ability called "Zaiphon" to fight, while the types of Zaiphon usable depends on the nature of the soldier. Teito Klein, a student at the academy, is one of the most promising soldiers produced. Although ridiculed by everyone for being a sklave (German for slave) with no memories of his past, he is befriended by a fellow student called Mikage. While preparing for the final exam, Teito uncovers a dark secret related to his past. When an attempt to assassinate Ayanami, a high-ranking official who killed his father, fails, Teito is locked away awaiting punishment. Only wanting the best for Teito, Mikage helps him escape. Teito ends up at the 7th District Church where he is taken in by the bishops. It is here that Teito attempts to evade the grasp of Ayanami and the Military, so he can rediscover his memories and learn why he is the person that can change the fate of the world. [Written by MAL Rewrite]

On his way to a convenience store, Kazuya Shiina tries to defend two young girls from an armed assailant, only to end up getting stabbed himself and dying on the spot. This good deed allows him to be reborn with all his memories in another world as Cain von Silford, the third son of a margrave. When Cain turns five, a baptismal ceremony in the church grants him an audience to the seven gods who preside over the world. Not only do the gods fill him in on the circumstances of his reincarnation, but they also give Cain their respective divine protections—allowing him to use cheat-like abilities in swordsmanship, magic, and many other aspects. With these blessings, Cain sets out to live a fulfilling life that he deems a dream come true. However, it soon becomes clear that the gods have more plans for him than just a haphazard bestowal of overwhelming power.

Abruptly catapulted into a fantasy world, Mimori Touka and his classmates have been summoned by the world’s resident goddess to serve as heroes. Luckily, most of the students display amazing skills upon arrival—except for Mimori, whose abilities bottom out at a measly E-rank. With no further use for him, the goddess banishes Mimori to a dungeon from which no one has ever returned alive. Yet, as it turns out, Mimori’s skills aren’t so much worthless as they are abnormal. Abnormally powerful, even. If Mimori can only claw his way back to the surface, nothing will stand in his way from getting revenge.