[The vague reflection in the mirror is slightly helpful in reining in Sandalphon’s reaction, if nothing else; it makes him acutely aware of the expression he's making, and resting bitch face will only go so far. If he starts looking as frustrated as he wants to, it'll just draw more attention...
...So he does what he can to keep his face as neutral as possible, though one of his eyebrows twitches and his breathing stutters for a second as he feels Izumi brush the tip of his thumb against the vibe in his ass. He directs his gaze not at Izumi himself, but his reflection in the mirror, looking slightly irritated as he whispers in a low voice:]
What kind of nonsense are you trying? Do you see where we are?
no subject
...So he does what he can to keep his face as neutral as possible, though one of his eyebrows twitches and his breathing stutters for a second as he feels Izumi brush the tip of his thumb against the vibe in his ass. He directs his gaze not at Izumi himself, but his reflection in the mirror, looking slightly irritated as he whispers in a low voice:]
What kind of nonsense are you trying? Do you see where we are?