Time travel, soul travel, and emptiness, put these aside for now, what is the status of the cousin, the cousin who is still engaged to his childhood sweetheart is about to fall into the arms of heroine Mary Sue, is it possible that he is a cannon fodder-like existence, joke, cheer up, face the bleak life, be wary of the heroine, oh, no, be wary of the mistress. But what if the plot is completely wrong?