Please recommend some novels about the love between humans and ghosts.

The male protagonist is a ghost. In the beginning, the male protagonist was catching ghosts with the Taoist priest. Later, in order to protect the female protagonist, the Taoist priest gave the ring that the male protagonist lived in to the female protagonist. The two of them lived together and fell in love. Later, the male protagonist's memory slowly woke up. The general during the Republic of China disappeared. When the female protagonist found him, he became the president. It was a little like a CEO, but I forgot the exact name…Everyone, have you seen it?