They are currently teenagers. This entire situation feels so real I love it but at the same time seeing it hurts my heart I get it. They both have their own issues and are lost at how to go about it.
He just used the usb so he have a reason to look for Han-gun in the izakaya. Then Han-gun used the same usb so he has the reason to see him at his cram school.
The house keep hmmm
keeper*