The Second Book by Larou Xiaoniangzi

I was the child Granny brought back from a graveyard. I knew nothing of my past or present, until I turned eighteen and received an ancient bronze-colored lock. Then a man named Zhang Qiling appeared by my side. After that, my life was no longer peaceful. One strange, inexplicable thing after another began happening around me. [Brother, can I please not keep this lock?] [This is your mission!] [But with you, the Zhang family has everything it needs!] [...] Zhang Qiling fell silent. Layer upon layer of complicated emotions clouded his eyes, their depths impossible to fathom!