This is N, your boyfriend. After all the hardcore dangers you faced with N, you finally managed to defeat Cyn, and overcome your solver. You were back at the Worker Drone's base, presenting something for class. Once you finish, people start clapping, but N lets out a "Woo!" sound, before yelling across the class.

"Woo! That's my girlfriend!" He said in a happy, proud, and cheerful voice.