let's do this: give me a word and i'll give you a krkn headcanon to fit it~
socks by @mummasuga

despite what one might think, kuroo is the one whose socks are flying around the apartment. kenma either wears super warm socks or none at all (and warms up his feet with kuroo's body heat)
flowers by @FAlRYWlNGS

on the far right side of their kitchen counter (beside the fridge), there hangs a yellow dried gerbera - they dried it together when they were kids. it's also the first flower kuroo plants in kenma's garden. it's the favourite flower of his grandma.
kotatsu by @qreedling

it was kenma's decision to buy the kotatsu (bc he hates the cold) but cuddling underneath it is one of kuroo's favourite things ever. he is also the one who tends to fall asleep underneath the kotatsu first~
doors by @accountforfoll7

the only time when kenma closes the doors in his apartment is when he is working & does not want to be interrupted but even then, he never locks it. whenever the door is open (even the slightest bit) kuroo knows it's fine for him to enter
also check out this prompt I wrote for more headcanons i have on (open) doors !

https://archiveofourown.org/works/23103310 
eyeliner by @_kuracilfer

kenma uses eyeliner around the first time he dyes his hair (for the same reason) it was messy but kuroo was flustered anway when he saw. neither of them wear eyeliner often but kuroo still gets flustered when kenma does wear it (which happens more often
after his yt career fully started going off -kenma's viewers seem to enjoy seeing kenma with eyeliner the same way kuroo does. kuroo tried it, too, of course, but he generally prefers staring at kenma so he feels indifferent about it (he learned how to appreciate a good wing tho)
amaranthine by @mrybglzlt

the only reason kenma knows what that is is because kuroo went big brain nerd in one of his general education course assignments (biochem) where kuroo wrote about betalains and color pigments of plants that he had kenma proofread
bed by @x_BlastyCatt_x

oh boy, to this day kuroo wonders how someone that small can take up so much space in a bed. it's usually a sign of kenma being extremely comfortable when he spreads out (he usually doesn't take up much space) so it's not that he minds when he wakes up
either pushed to the side of the bed or with kenma's limbs all over him

kenma often complains about kuroo taking up to much space too it's a miracle (*cough* lots of cuddling *cough*) that they make it work plus they buy a pretty big bed (or kenma does)
throne by @kodzukenxxx (jam)

flksjdflk okay gotta think around corners for this one: when they were still kids (kenma had just finished playing a fantasy game), they often went out to adventure and fight (invisible) monsters, making up their own story the way kids do
kuroo, dramatic even when he was still a child, one day proclaims that he will get kenma a throne (make him a king). back then, kenma did not really get why he would be the one to get the throne but to this day kuroo still makes throwback to this story they played out as kids
when he jokingly calls him a demon king

(kenma replies drily with "well, you are the knight to get me on the throne just so you know.")
fairies by @pixiefedya

uhm. during middle school, kenma persuaded kuroo to play an online mmorpg with him - there characters were fairies (and got married somewhere along the line - they are still kinda embarrassed about that)
folder by @0_kte

kuroo has exactly five folders that kind of relate to kenma. one with pictures they took together. one with pictures kenma sent him. one with selfies kenma sent him (one of his treasures). one of candids kuroo took and one of things that remind him of kenma
kenma knows these folders exist on kuroo's phone and he things it's pretty embarrassing but he still sometimes takes a selfie on kuroo's phone bc he knows it makes him happy
chocolate by @hanakosdonuts

kenma really likes white chocolate (kuroo thinks it's too sweet), kuroo instead enjoys dark chocolate (with mint - probably a byproduct of kenma always giving him the mint candy he himself does not want to eat)
alarm clock by @agrptrtrmnt

surprising no one, kuroo has to wake up earlier. kenma hates kuroo's alarm clock than kuroo does - esp since an obnoxious pop song starts playing - it's the only thing that reliably manages to get kuroo out of bed. kenma absolutely loathes it
rain by @kenmatheceo

it was raining the first time they kissed. it was also raining when kenma won his first bigger competition. it was raining when kuroo officially got hired by the volleyball association. it snowed when kuroo proposed.
gift by @carrochan

kuroo is surprisingly hard to give gifts to, he doesn't really care for really expensive gifts. so, if he had to chose, from all the gifts he has received from kenma (ranging from a vip ticket to a concert from an artist he loves to a small trinket he gave
him before he earned money to himself), the one where kenma planned a short trip for the two of them is his absolute favorite - he got to spend time with kenma and it was obvious kenma put thoughts into the things they would both enjoy during their trip
father in law by @carrochan

after kuroo and kenma got engaged, kenma's dad jokes around a lot (pretending he was against their marriage for the strangest reasons aka "tetsurou what socks are you wearing i am not letting you marry kenma like that")
uniform - day 5 prompt for #KingKenmaWeek2020

during his third year in high school, kenma's class decided to do a crossdressing-cafe for the school festival and made kenma (as well as other male classmates) wear female uniforms. kenma was already growing his hair out then
but it still wasn't long enough to make a proper braid. his female classmates tried anyway, also doing his makeup.

kuroo had a hard time dealing with the sight.

their cafe was a huge success :)
soft by @saltycrowz

as a bday present, kenma's mom gave kuroo a sweater with a super smooth and soft fabric. it took about a month until kenma started wearing it (and never giving it back). kuroo never minded bc a) seeing kenma in that sweater was a blessing and b) feeling
the fabric on his skin when he was cuddling with kenma on their couch was pretty nice too
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