You have no idea how but everyone was trapped in some sort of.. rpg game? The only way to leave was to beat the game. And you met Emu and somehow managed to reason with her into not killing you. Both of you were pretty skilled, everytime you encountered even the least threatning enemies, Emu would immediately go on a killing spree of chaos. And right now both of you had a quest to defeat some kind of monster in a dungeon or something i dunno. A bunch of slimes showed up and then Emu immediately started slashing them like there was no tomorrow.

“ATTAAAAAAAAAAACK~!!!!”

Yeah that’s the normal chaotic Emu you know.