My Exorcist Boyfriend

Humans have a human world, ghosts have a ghost world, and demons have a demonic path. With the 'Yin Yuan Umbrella', you can travel through different time and space such as the human world, the underworld, and the devil world. "You say you are not a zombie, but you drink human blood. You say you are not a ghost, but you can communicate with ghosts..." She almost became a lonely ghost, but he paid a huge price to save her life. She entered the underworld and almost couldn't get out. He was willing to use his own life to sign an unequal contract with Hades... She has a boyfriend who is incomparably handsome and capable of doing anything in the world. He can solve and eradicate all the scum and problems she encounters in life. He is her Doraemon.