Place it right after the reveal or successful moment, as the beat that confirms it worked, then follow it with Oh My God Wow to raise the reaction further before cutting to the next scene.
このサウンドについて
This is a very short vocal clip of someone saying 'Nice' with the vowel stretched out, lasting under a second. The drawn-out delivery makes the approval feel playful and a little smug, as if the speaker is savouring a small win. It works as a quick, knowing reaction to something that has gone exactly as hoped.