Isekai Quartet  

이세계 콰르텟, 异世界四重奏, 異世界かるてっと

On this typical day, individuals such as Tanya Degurechaff, Satou Kazuma, Ainz Ooal Gown, Rem, and Ram continue their daily routines. Suddenly, a prominent red button emerges before them, piquing their curiosity. As they press the button, they are transported to an unknown realm. Despite being unable to leave, the characters must adapt to this new environment by attending school and forming relationships with others. One thing is certain: the classroom filled with distinctive and captivating individuals will never fail to entertain!