kaiifew's feed

This is not manhwa/manga/anything comic related but it's BL, it's a moviee and I don't know where else to ask lmao, it was about a guy who picked up a red paper(or whatever that was) then something happened, there's now a ghost guy following him, I remember there was a bathroom scene where the ghost guy was in the mc's shoulder, the mc is a police, I'M BAD AT EXPLAINING AIGHT, I hope sumbody can help｡:ﾟ(;´∩`;)ﾟ:｡