the female supporting character just wants to live a good life

This is a story of an upright girl that transmigrated into the villainess in the novel where she isn’t aware of it and plans to live well.

Su Rui thought that she had transmigrated, but who knew that this was a novel.

Su Rui thought that she is a fair, rich and pretty lady, but who knew that she is just a cannon fodder.

Su Rui thought that she has found herself a reliable marriage partner, but who knew that he was the male lead.