Responses
Exactly they are in highschool meaning they are at their prime of their youth ╮( ̄▽ ̄)╭ not gross at all ,besides it's just fiction so chill out and even so, they are mature enough and they love each other so if both want to cross that line why not?
But the author left us hanging for a reason,to imagine (▰˘◡˘▰) for you,they are hugging...for me, they are "hugging"

Whew! When Han-Woo just led Wan into the house on the last panel, those are the times I wish this story was a little bit of yaoi in the end ( ̄∇ ̄") and I know Han-Woo would make a bomb top ╮( ̄▽ ̄)╭
But all said and done, I loved this story