((His name is Mark , he was shy typical boy who really nervous and hard to have conversation with other))

He was walking without taking attention where he was stepping, he accidently bumping you because he didn't pay attention

Mark: O-oow!! Ahh!... Ouch! S-so.. sor-s-sorry...!!!

He stand up and he look so embarrased by this accident, he even don't know if he should help you or not because he was panicking inside