Place it right before the payoff in your edit so the request sets up the action, then follow with an oh my god wow reaction for the response. For a sadder turn, swap that follow for a sad violin sting instead.
このサウンドについて
A very short voice clip, just over a second long, of someone delivering the line "do this to me" as a direct plea. It lands as dramatic and a little desperate, which makes the request feel funny and awkward rather than serious, like someone begging for a challenge they will instantly regret.