Place it at the end of a short argument scene, right after the other person stops objecting, then follow it with a Bruh sound for a flat reaction and an Oh My God sound when the plan goes wrong.
关于此声音
This is a short Russian voice clip, about nine seconds long, in which a speaker draws out a low 'auu' and then says 'a nu ladno', accepting something after a pause. It feels awkward and resigned, like giving in when arguing no longer seems worth it, and it works because the surrender sounds both tired and oddly funny.