Put this clip as the first reaction beat right after the on-screen moment, then follow it with a shocked sound if the scene needs a bigger second reaction from another person in the edit.
關於此聲音
This is a sub-second vocal clip of one breathy, high-pitched 'ainn' in a playful, teasing delivery, with no music behind it. It feels flirty, cute and mock-dramatic, like a tiny swoon squeezed into a sigh. It circulates online under the name Italo Sena as a standalone reaction sound.