In Buddy Daddies, Kazuki and Rei are professional assassins, one day, they end up picking Miri, the daughter of one of their targets and end becoming foster parents.
In Hyouken no Majutsushi ga Sekai o Suberu, the Iceblade Sorcerer Ray White decides to enroll in school, but in the guise of a commoner, causing those with higher class upbringings to look down on him.
In Saikyou Onmyouji no Isekai Tenseiki, the strongest exorcist, is betrayed and reincarnates in a different world, where he is seen as powerless. However, he is still the best.
In Isekai Nonbiri Nouka, after Hiraku dies of a serious illness, God brings him back to life, giving him health and youth, then he bestows upon him an almighty farming tool.
In Mononogatari, Hyouma's siblings were murdered by a tsukumogami, and since then, he has held a grudge against them. As heir to a powerful clan, he is supposed to help them but not with violence.
In Eiyuu Ou, Bu o Kiwameru Tame Tenseisu: Soshite, Sekai Saikyou no Minarai Kishi, the goddess Alistia allows Inglis to reincartae with her blessing, allowing him, or her, to master art the blade.
In Tensei Oujo to Tensai Reijou no Mahou Kakumei, Anisphia defies aristocracy by developing a new magical theory. She is assisted by Euphyllia who used to be her brother's fiancee.
In Kubo-san wa Mob o Yurusanai, Junta goes unnoticed even when he's standing right next to his classmates. However, Kubo always notices him and is there to tease him as much as possible.
In Spy Classroom, Klaus has never failed a job as a spy, and now he is building a team to take on an Impossible Mission, one with over a 90 percent chance of failure.
In Tsunlise, out of the blue, Siegwal hears the voices of the Gods. They ask him to take care of his fiancée Liselotte. Actually, it is a videogame, but he can hear the players.
In Inuhiro, a high school student awakens freezing on the streets. To his surprise, his classmate and crush, Karen, picks him up and takes him to her home.