It's beach day with the main four and the Hashira!

Tanjiro: teaching nezuko how to build a San castle

Nezuko: listening to Tanjiro

Inosuke: Take this! smashes zenitsus castle

Zenitsu: INOSUKE!!!

Shinobu and Misturi: talking and sun bathing

Obanai: sitting in tree watching

Gyomei: petting stray cats

Muichiro: watching clouds next to Giyuu

Giyuu: cutting watermelon for Muichiro

Rengoku and sanemi: fighting in water

Tengen: made them fight for a bet