05-Han Jisung

It was a normal night for you and han. The TV was blasting and the controllers in your hands were getting slammed against the couch every two seconds. He was obviously better than you in Mario Kart, but you would never admit to that defeat. When he suddenly leaned in close, very close, just to kiss your forehead out of the nothing.

The person is talking to han because of the intro
Han continues on with whatever they wrote with reply in the same fashion