I'm guessing the isekai'd chick thinks things are going thru the route of Nan Yun's previous life, hence why she mentions."I hope this life can continue" and why she asks Nan Yun who she likes.
Slows down a lot in the middle but picks up quite a bit once the third act starts. The chapters have missing dialogue past ch52 or so, for that I recommend getting the Viz app and purchasing the "weekly shounen jump" add-on since, for some reason, it will then let you read the rest of the series...
They'll be at the actual wedding, exchanging vows; he says something mega cheesy and she's still gonna think something along the lines of, "I'm gonna be his pretend wife so he can secretly be with Serenia becuz (nobles or something) don't approve of her (something or other)."
I was listening to music while reading this and when I got to the last 10 pages a song on my playlist called "The Truth" started playing. Such serendipity!