The System Makes Me Win Over the Second Male Lead After I Transmigrate into a Book

Tang Yunyun never dreamed she would choke to death while eating duck neck. After dying, she finds herself inside a novel. The System tells her that if she can win over the second male lead, she will get a chance to be reborn.

In the novel, she is a vicious supporting female character who is determined to marry the male lead. The second male lead likes the female lead, the male lead likes the female lead, and the female lead likes the male lead. Now the System is telling her to win over the second male lead. Is the System just trying to make this as melodramatic as possible?

Unless the second male lead has something wrong with his head, there is no way he would fall for a vicious supporting character. This mission is impossible to complete.

But Tang Yunyun never imagined that the second male lead really did have something wrong with his head…