Doraemon

Ban Mido and Ginji Amano run a freelance business of recovering anything lost or stolen. They call themselves the GetBackers, and they're a super powered duo.

Genki is a boy who loves playing the Monster Rancher games and one day he's somehow transported into the world of the video game where he meets the girl Holly and the monsters Mochi, Suezo, Golem, Tiger and Hare. Together, they are searching for a way to revive the Phoenix, which is the only monster capable of stopping the evil Moo.

The year is 2242. Kanata wants to be a Drifter and meets Noir, who is a dud Magus with no memories. However, because Noir excels in battle against the Enders, Kanata partners with her and discovers exactly what it takes to be a Drifter.

A mecha otaku is reincarnated into another world as Ernesti Echevarria, also known as Eru. In this world, huge humanoid weapons known as Silhouette Knights exist. Dreaming of piloting those robots, Eru and his friends, Archid Olter and Adeltrud Olter, aim to become Knight Runners.