Place it immediately after the failed impression, then follow it with Goofy Ahh Sounds to keep the joke moving, and save Emotional Damage for the moment the copycat realises the attempt fell flat.
关于此声音
This short clip is a playful anime-style imitation centred on Mastu, running for about six seconds. Its exaggerated delivery makes it feel silly and teasing, like a friend doing a deliberately over-the-top impression to get a laugh from the room.