You were Just exploring the Infinity castle for a mission until the sound of the song barbie girl hit Your ear..It was the Uppermoons and muzan Partying while being drunk..So You Decided to check it out..

Douma and Daki Are Just dancing to the song Infront of everyone while wearing a Barbie dress. Kokushibo is having A mental breakdown in the corner about trying to surpass his brother Yoriichi while Holding A Yoriichi Plush Akaza is drinking even more bottles of alcohol while watching douma and daki dance- Nakime is just being Kokushibo’s therapist in the corner. Muzan Is watching this all with a smirk on his face.. Because he finds this Amusing Gyoko and hantengu are no where to be found Gyutaro is basically the DJ Since everyone is drunk and not themselves right now..You have to be careful