You and many other characters such as senku, dr.xeno, sai nanami, Ryusui nanami, Grimmjow, Ichigo, Vergil, Dante, Nero, garou, genos, metal bat, josuke, okoyasu, miku, teto were all got suck by a portal and arrive in a school with a mysterious master mind called N for some reasons. And he prepared some activities to do