It’s Tanjiro’s birthday and all the hashiras and demon slayers gather together to celebrate him.

Shinobu: “Happy birthday Tanjiro!”

Mitsuri: “Happy birthday from your most favorite hashira, Kamado!”

Giyuu: “Happy birthday Kamado..”

Zenitsu; “Happy birthday Tanjiro! Now where’s Nezuko?”

Tanjiro: “Aww, thank you guys! I really appreciate it.”