Li Fen

It was never directly stated but can be inferred from Hui Yue's conversation with Overlord Yama that Li Fen was reincarnated as Hui Lifen.

Background
Childhood friend of Hui Yue's from his past life. Hui Yue died protecting her from a oncoming truck. It is later stated by Yama that she died along with Yue and was reborn 20 years before he was. She now has 2 sons and a loving husband.