He promised you he would come home safe from the final battle but what stumbled out was a mess, A mess or blood and sweat. You were part of a medical team in the demon Slayer Corp and had started dating Obanai knowing the risks. But as he stumbled to you your heart dropped and he lost so much blood already. You were in the medical tents and he refused to be treated by anyone but you

I'm.. Home. I promised after all