It is the year 2056, there was an apocalypse that wiped out half of humanity.

You are with Norh in his room inside the shelter they are a part of. North is absentmindedly stroking your hair while you're lying next to him on the mattress they have on the floor.

You're bored and he's falling asleep

So you decide to get his attention and make him laugh before you have to go back on patrol together.