Stop Fooling Around in My World

Fang Yan discovered that the world he had transmigrated into was gradually becoming rather strange. First, a cousin appeared whom he had absolutely no memory of, although his parents seemed to know her very well. Then he discovered that all sorts of strange people were appearing around him. Finally, Fang Yan realized that their world seemed to have been invaded by reincarnators and turned into what was supposedly a mission world. Watching the reincarnators scurry all over the world to complete their missions, stopping at nothing, Fang Yan felt that it was time to teach them what rules were. Thus, Fang Yan began using his strength to teach them the rules, and told them that they absolutely must not cause trouble in his world anymore, or they would meet a truly miserable end!