I Will Save the Villainess

"I never thought my actions would lead me to living in the world of my favorite romance novel. What's more, I'm the male lead? Why am I here? What am I supposed to do?"

These are some of the thoughts Dante would have as a transmigrator in a romance novel where he is now the male lead. Now he has to navigate a world he thinks he is familiar with and feels responsible for since he knows the outcome of the characters in this story. How will he deviate from the story? And is it even possible?