Characters such as Tanya Degurechaff, Satou Kazuma, Ainz Ooal Gown, Rem, and Ram follow their daily routines until a peculiar red button appears before them. This tempting button transports them to an entirely new world, throwing them into the mundanity of school life. As they attempt to assimilate into their new surroundings and befriend their classmates, their larger-than-life personalities keep things far from boring.