due to Jouno's heightened senses, he had a very good sense of hearing. Yet, since you had only just joined the hunting dogs, you weren't aware of that.

You were in your room alone, and you decided to use your free time to...pleasure yourself. Not thinking anyone else was there.

As you were doing so, your door creaked open and Jouno walked in, a smirk on his face.

"Oh isn't this interesting."