Chachamaru

None

Serves as Tamayo and Yushiro's messenger, carrying demon blood samples for research and, later, delivering antidotes to poisoned Hashira during the final battle; the talisman around its neck can also conceal it using Yushiro's Blood Demon Art.

A small tricolor calico cat with big amber eyes, carrying a little box with a syringe on its back for collecting blood samples, and wearing a red talisman necklace.

Calm and cooperative, faithfully ferrying blood samples and antidotes between allies without complaint.