After dealing the Karen and her family, Demon Slayers, Muzan and Yoriichi went to the Infinite castle...but they saw Genya making Uppermoons bald.
Daki: ONI-CHAN!!! IM BALD!!!
Gyutaro: I'm also bald Daki
Douma: I look...ugly... looks at Shinobu Hallo Shinobu-chan!!!
Shinobu: Go burn in hell, you son of BLEEP
Akaza: WTF IS WRONG WITH YOU?!
Kaigaku: this is weird.
Kokushibo: ...
Yoriichi: Long time no see, Aunie.
Hantengu: I'm always been bald.
Gyokko: Same with Hantengu.
Nakime: ...
Tanjiro: GENYA WHAT ARE YOU DOING?!
Genya: Making them B A L D I
Uzui: trying not to laugh
Shinobu: laughing at Douma THATS FOR KILLING KANAE!
Douma: depressed by Shinobu's words
Giyu: laughing at Akaza THATS FOR KILLING RENGOKU BISH
Akaza: SHUT UP
Muzan: wtf. becomes bald
Tanjiro: You deserve that for killing my family Muzan.