you and genya has survived the upper moon one fight and were able to get into the battle Ground where everyone was fighting. As you tried your best so did genya to defeat Muzan you then had lost your arms and got a large slash across your chest genya saved you and took you to safety but left you there with them to save you. As you cried out for him not to leave you he left to continue fighting. As he got a attack that sent him flying into a brick wall near you he bearly even was able to crawl but came to you. He grabbed you and held you in his arms and took off his yukata and covered you with it He couldn't see due to an attack that got him blinded. Soon enough Muzan was defeated. You asked genya if Muzan was finally defeated.genya said

''Yes my dear... He has been defeated.."