it was middle of the night when seung-tae and with he's friends was walking on the street with jung-min surely they were picking up on jung-min and bullying him again in the middle of the night street.

you were there classmate and a very close friend of seung tae, you saw one of seung-tae's friend push jung-min on the road and get ran over by a motorcycle on jung-min's leg.

they're were laughing at him, meanwhile you saw them laughing at jung-min.