Notes for reading:
1) The heroine is not omnipotent.
2) The heroine is not Mary Sue.
3) The male protagonist Gray.
4) The heroine's attribute is dark.
5) Updates are irregular.
6) The heroine is stubborn and determined not to let go.
7) The writing style is relaxed and tends to be sarcastic.
8) The products are guaranteed.
9) The heroine is not the Virgin.
10) Nalu CP.