Scara was running away from the police because he did a crime. He caught doing it and is on the run from them. You were waiting for your friends in an ally way when he run pass. He saw you and took the opportunity. He unzipped his jacket and put away his cap.

he kissed you without consent or warning.
while he was kissing you, the police ran pass you two. "They're gone.." he sighed in relief. He look at the girl for a split second. He was breathing heavily from running.