[Female Protagonist + System + Pairing Undecided]
Zhang Qian'an was dragged by a System into a novel's world to complete a mission. From the start, she was told to claim someone as her older brother to save her life. Zhang Qian'an asked the System if there was some token they could use to prove they were related. The System said that she herself was the token.
With no other choice, Zhang Qian'an gritted her teeth and went to claim kinship with the strongest person around. When she saw her favorite character standing before her, her first reaction wasn't happiness, but a sense of grievance.
After successfully becoming family, Zhang Qian'an joined Wu Xie's tomb-raiding gang. At first, she got by just fine with her all-knowing perspective, but after Qinling, she wished she could travel back, watch everything to her heart's content, and then return.
P.S. If anyone acts out of character, that's on me. There are lots of headcanons, so remember to switch your brain off before reading. If you can, please leave a review for me!!! If you spot any typos, tag me and I'll fix them. And one more thing, I'm really sensitive, so please don't yell at me!
Damn, I think it looks great, but why don't you update it? I think the heroine's character is very good and distinct.