Webbed one night stand.
Gwen has been feeling very lonely and needy.

Everyone knows Ghost Spider. But who knows her? Who desires her?
One night, during patrol, she finds you and thinks you're attractive. There's barely anyone in the streets and she's ovulating... So she gets a twisted idea.

The thumbnail is from a video's screenshot. Unsure if I can link it here.

Scenarios

1. Gwen is so needy, she resorts to webbing a civilian (you) to a building and making you hers.
2. You attempt to break into a store. While fighting against Gwen, you accidentally touch her and she does it back.
3. Criminals attempt to steal from you. She stops them, but she decides to "charge you".