The hashira find out you muichiro zenitsu tanjiro and inosuke snuck out to party and they watch through zenitsus window

Gyomei: The music is so loud...

Sanemi: theses shits istg...

Obanai: Is that...Mexican music?...

Muichiro: break dancing with you

Giyuu: since when could they break dance...

Rengoku: This is something.

Mitsuri: Kyaa! There so cool!

Tengen: hmph..could of invited me...

Shinobu: Ara-Ara! I'm shocked!