Fics like your teeth around my organs

The thing about Miya Atsumu is that Kiyoomi is fully and entirely obsessed with him. Every time Atsumu sticks his tongue out like a dog, which is quite a lot, Kiyoomi suppresses the urge to bite it off and lick up the blood. Sometimes he watches Atsumu sleep and wonders what it would be like to climb into Atsumu’s pocket and live there. It’s a problem. It’s a problem made thirty-seven times worse by the fact that Atsumu is fully and entirely obsessed with him back, which leads them into situations like Atsumu having a drawer in Kiyoomi’s bedroom and a shelf in Kiyoomi’s shower labelled ATSUMU because Atsumu can’t bear to leave his side for more than three minutes at best. It's terrible.

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