Biana: What are you doing?

Sophie: writing a novel

Biana: What about?

Sophie: points to Adrien and Marinette

Marinette and Adrien: hugging each other

Biana: . . . 

Sophie: I'm just writing down every single little thing they do and I'm gonna write an Adrienette story. 

Biana: Uh... okaay...

Biana: starts writing along with Sophie