I Got Sent in My Favorite Novel to Save It?!

I am Nera mi Ponterise, the third child of the Marquess Ponterise Family. One of the founding families and sword of the Empire.

We pride ourselves as a family of knights.

All my life, I've trained to become a knight, living happily as the child of this great renowned family.

But what I didn't know is that I was reincarnated in my favorite romance novel this whole time!

I have been living with my favorite characters and I didn't even notice! How am I going to interact with them now that I know what's going to happen in their relationships?

How is this happening to me?

Is my life ever going to be the way I wanted it to be before I realized I was reincarnated?

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Notes:

* 1 chapter update every day or every other day (Usually UTC+8)
* Uses mild profanity, trigger warnings will be mentioned before the chapter if any.