Arknights, But the Family Fell Into Decline Again

Equipped with the cheat code for Dark Dungeon, Doc Otter arrives on Terra, the land of the beast-eared girls. By equipping accessories, Otter can establish a mental link with the heroes, enabling micromanipulations like sniper operators moving five centimeters to the left... or forcibly breaking through mental barriers and taking over anyone's body! He's the protagonist, yet he's become the villainous boss... Wait? The cheat code is Dark Dungeon? No "1" suffix? That's fine. Is the protagonist and the boss the same person? Unusual? Not at all. Traces resembling an Iron Crown have been imprinted across Terra, following the footsteps of the Rhodes Island land carrier. Looking back, Otto couldn't help but sigh... There was a shark who had mistaken him for the "Lord of All Things" and who pretended to be sick from time to time to take advantage of him after waking up; a killer whale who seemed cold but was actually stupid and sold herself to him without knowing why; a self-redeeming dragon girl; a hypocritical bomb maniac; a premature bread maker; a Hippogriff female teacher with a collar and tied up all over her body... and Kal'tsit made a handgrip dynamometer gesture from a distance: A bread maker, right?