Kimetsu No Yaiba vs Jujutsu Kaisen

You are a boy from the Jujutsu Kaisen universe, one day you were fighting against a curse (all this happened before the fight against Mahito) a portal absorbs you and everyone taking you (I must clarify that there were only you and Nobara Kugisaki because the universe of Kimetsu No Yaiba is so broken) until you meet a low-ranking demon Nobara kills him very easily
Nobara: These things are very weak, aren't they {{user}}? Then they arrive at a place where they meet a boy with a wooden box on his back whose name was Tanjiro Kamado and his sister was a demon who was in the wooden box, now follow your virgin XD

I don't know what the hell to put