Place it near the end of a reaction sequence, after a setup line and before a closing gag. Pair it with the Tuturu button for a lead-in, or follow it with Anime Ahh for a second, bigger anime reaction in a montage.
このサウンドについて
This is a brief 1.7-second voice clip of a female anime character letting out a high-pitched kyaouu squeal, the name Saotome attached to the character in the original upload. It feels flustered, excitable and playfully overwhelmed, like a sudden burst of embarrassment or cute shock that lands instantly and then cuts off before it overstays its welcome.