Hi!
This is Anna's scene.
This scene is triggered if you got a BJ from her in Chapter 2 + went the spanking route in Chapter 6 instead of listening to what happened in her past (or you can do the hard spanking if you've missed the BJ scene at the balcony).
Essentially, if you're more romantic/emphatic with Anna, you get her less kinky/more mindful version, which isn't horny enough to have sex while her best friend is missing. If you're going the more perverse route, Anna lets her slutty side take control.