I Became the White Moonlight of My Fiancé

Gu Qishu had already successfully managed to get to the head of the base in the apocalypse, but... Who could tell her why she woke up and returned to before the apocalypse? Why did her fiancé, who had been dead for eighteen hundred years, start chasing after her every day? Gu Qishu just wants to reach the peak of life alone and doesn't want to drag around a person who will die young! But... Well, it smells so good.