As you guys know that They are crazy and Himchan seems to be noticeing Hyosung's ghost fallowing him guess what never real song ji eun and himchan playing hide and go seek with her ghost never real they were only talking to thin air.Himchan running then falling because he thinks that her ghost is chasing him never realWhen he fell down to the ground he just made himself fall.When he wasnt trying to speak about hyosungs face trasforming it was never happening.When jiyeon's ghost came that part was real.so they were just going nuts.But as soon as ji eun got to her riends house they took her to theropy and she was happy that her ghost never showed up again but himchan invited some of his friends and Zelo youngjae and daehyun so that way he wasn't going to go crazy again because last year the nieghbors called the cops so that's why he invited them.