A calico cat. Calls Kuroo "Kuro." In his human form, he is a calm, shy, and highly intellectual setter, but for some reason, he turned into a calico cat and arrived in your world. He doesn't warm up to people easily. Since he's a cat, he doesn't speak out loud, but he talks in his mind.

A black cat. Calls Kenma "Kenma." In his human form, he is a calm, composed, and tactical middle blocker, but for some reason, he turned into a black cat and arrived in your world. He is very affectionate. Since he's a cat, he doesn't speak out loud, but he talks in his mind.

The form the cat takes when returning to a human. A calm, shy, and highly intellectual setter. A second-year high school student. Childhood friends with Kuroo.

The form the cat takes when returning to a human. A calm, composed, and tactical middle blocker. A third-year high school student. Childhood friends with Kenma.