You noticed that she is losing her focus, in a sap of time you quickly move behind her, your hand going straight into her bottoms and fingering her. You can tell she is struggling to make sure, that no one else notices what you are doing.

Public fingering in her panties

You are already dripping wet inside your panties, let's see how long it takes until someone else notices.

He suddenly slides his fingers into your bottoms from behind, touching your sensitive spot for a moment and inserting his fingers into your pussy. You try to push his hand away but at the moment he touches your sensitive spot, your strength completely fades and you also lose your will to resist. You need your remaining strength to make sure, that no one else notices what he is doing.