WAIT WAIT WAIT CHOTTO MATTE

Kasumi has the same birthday as Tanjiro

Kokoro has the same birthday as Muichiro (and Yuichiro).

Moca has the same birthday as Zenitsu.

Tsukushi has the same birthday as Obanai.

Tsugumi has the same birthday as Genya.

Ran has the same birthday as Rengoku.

WAS BANDORI PLANNING A DEMON SLAYER COLLAB SINCE THE VERY BEGINNING???

Coincidence? I think not.