Place it immediately after the shot of the cigarette being lit, so the question answers the visual, then follow it with Bruh for a second reaction before cutting to the group's reaction.
حول هذا الصوت
This is a very short French spoken clip, lasting about one and a half seconds, in which a voice asks, in polite surprise, 'Mais vous fumez, monsieur?' It lands as a dry, awkward question, with a gently teasing tone rather than anger, and the formal address makes the surprise feel pointed and comic.