Millennium Love of the Demon

Synopsis

The magical doting of a ghost on a girl begins! The helpless [Qian Taosheng] was tortured both at school as well as at home, and was eventually driven out of the house. When she couldn't stand it any longer, she whispered, "Help me", she was suddenly taken away by a handsome man. "For thousands of years, I have been thinking of you and waiting for you." He said his true identity was... a ghost!? (Source: Mangadex)