You Promised // Kagehina

Another story with the Soulmate AU where instead of having the first thing they say tattooed on each other, they have a random sentence that the person will say around them - and that sentence will be said a year from the day it shows up. The tattoo stings and fades away when the sentence is said to confirm that it isn't a coincidence.
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After their soulmate marks bring them together in a close family, Hinata Shoyo and Kageyama Tobio are truly happy together.

That is until Tobio falls ill and Shoyo must learn what this means for the family he had built upon through the years.
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TW: language, sickness

*cover art does not belong to me*