Kumayuru

Kumayuru is Yuna's summoned beast along with [Kumakyuu](https://anilist.co/character/173793). Kumayuru takes the appearance of a Black Bear. It is as big as a large bear in its normal adult form, but it can also change its size to be more compact in its cub form. Whether big or small, Kumayuru looks like a cute teddy bear.

(Source: Kuma Kuma Kuma Bear Wiki)