Apocalypse Transmigrating to Save the Heroine? Are You Crazy?

Ye Yiyi: System, are you kidding me? You want me, a weak woman who can't lift a finger, to go to a zombie-infested apocalypse and save the badass female lead? Are you out of your mind? System: Hah, if it weren't for a mishap during my descent, would I have come looking for you? Ye Yiyi: What did you say? System: Nothing, nothing. Oh beautiful lady, fairer than fish and geese, who shames the moon and flowers, help me out. Complete the mission, and I'll give you endless wealth. Ye Yiyi: Ahem, well, it's not impossible. I am a good citizen after all. But when Ye Yiyi actually met the female lead—ahem, honestly, she could do without the wealth. Big sister alone would be enough. System: Heh...