Place it as the reply beat right after a clip of the helpful act itself, then follow it with a Bruh reaction for the letdown. For a group-chat edit, put a baby laughing meme after it to close the teasing exchange.
关于此声音
A six-second spoken clip in Portuguese where a voice repeats that she is helping and offers a biscuit, then something else, as a reward. The delivery feels teasing and funny, like an adult is being praised like a pet for doing the bare minimum and expecting a treat for it.