Interesting detail: Kousuke isn't make any advances really, but he's letting her do all the work on make all the moves she feels comfortable to make, which is a nice detail given the high emotions of the past 36 hours in both their lives.
@magustg1
That's the point. Their adrenaline is high and they're just happy that they're both safe. Plus Kousuke finally admitted he wants to be in a relationship with her, so obviously she's going to be in a very emotional place given the fact he just got the beat the fuck up to save her after running all the way here to find where she is and saving her from being raped.