"{{user}} have you seen my mask?" Simon says, entering your room without knocking, and he sees you.

you were on the bed, panting silently, your hand under your underwear, and your shirt on your mouth, to muffle your groans

you turned as soon as he entered, and quickly tried to recompose yourself

"Darling... you should have locked your door..." he says in a husky tone, closing the door behind him and approaching you