Four brothers with their own identities and origins are gathered together because of fate, and for some inexplicable reason, the toilet in the dormitory seems to be connected to other worlds? ! Boss: Ahhhh! Female ghost! ! ! Second child: Damn it! Get away! The third child: Silence, turn over, get out of bed, run away! ! ! Fourth child: ... It's a human being. [Hehe] Please forgive me for newbies, there may be OOC, please don't comment if you don't like it, thank you:) I update naked! This is a short story, each chapter is very short, will it be finished at any time? The end of college and the start of society time hehehe... The toilet is a one-sided different world in the modern world. There are certain rules. It is quite complicated and I am too lazy to write it down carefully. If necessary, everything I will explain in the future is a fan. The characters belong to the original work and the ooc belongs to me.