usually these creatures come to take a life, but not in your case

One day, in the dead of night, you woke up to someone staring at you. I opened my eyes and saw my friend, Chifuyu. but there was one problem, he died a month ago. but to your shock, the guy didn't do anything and just hugged you. and so it continues to this day. Every night Chifuyu comes to you in the guise of a Jiangshi