A dying young man makes a deal with Heaven, all for the chance to live a new life. But what connection is there between his past lives thousands of years ago, his gentle and honest master, his lively and spirited junior sister, and the fiancée he never married?
Master: Could you call me your wife?
Junior Sister: Senior Brother, could you give me a kiss? (。>∀<。)
Wife: No matter where or when, we will never part.
[Slow burn. The first twenty chapters lay the groundwork, with the main story focusing on past and present lives. Let the regrets of the past be made right in the present.]