[ watch those fingers! luckily, shiro is made of stronger stuff, so a few well aimed prods doesn’t have him falling prey to squirmy laughter. well, not entirely. there’s certainly laughter but he stands strong against the assault, only abandoning keith’s bird’s nest -- otherwise known as hair -- to grab at that hand.

he grins wide. ]

Oral contracts are just as binding! You accepted when you took on the title of best friend.

[ he maintains the headlock, though it’s honestly just for show. it’s loose enough for keith to wriggle out if he wants to and even if it wasn’t, shiro knows keith is just as capable of turning the tables. so maybe keith is abiding by the fabricated rules by playing nice here.

either way -- shiro doesn’t cut him any further slack, instead squeezing at his fingers. ]

How do you not know this?