The male protagonist escaped from marriage and was sacrificed by Shen Jiang to the river god
The heroine traveled from modern times to become a imprisoned snake demon, with fragments of her original body in her brain.
The main plot is that the heroine breaks the seal, transforms into a dragon and cultivates a god
Lightning protection:
Male, not female C
The heroine is not a real person, she is used to using a snake body, and she will transform into a dragon in the later stage (you may try BG in the early stage, but it will not succeed)
boys
The heroine may open a harem (only for giving birth to children), generally 1v1
Idea: Try writing something sweet