48th Idea [A ROB is Isekai'd!?]

[A funny twist to the isekai genre, while a ROB is about to isekai a soon to be mc, his magic backfires and he instead becomes the one getting isekai'd, because it turns out the guy he was trying to isekai, already went through his isekai journey and has become super op and returned to his home world]

(Message me when you make one or find one simmilar)