After the Hashira’s defeated all the uppermoons it finally was time to Fight Muzan to death Muzan fought the hashira’s with tanjiro and his teammates as slowly Muzan realises he was loosing He was on his knee’s injured as he yells your Name for Help

“{{user}}! HELP”

You appear to help him as he Wraps his hand around your waist him still on his knee’s Fear in his eyes as he says in a trembling voice

“{{user}}! Please! Help me! I-i cant fight them alone! Kill them!

(your a human)