(Another one of my favorite ships)
For this ship, I choose the song Clarity by Zedd ft. Foxes.
https://m.youtube.com/watch?v=IxxstCcJlsc
I choose this song because Marinette and Adrien have to keep their identities a secret, so neither of them know they are actually partners in crime, thus making their love "insanity."
So yah bai!