Inuki

Inuki is Yuzuriha Nekoi's beloved dog spirit.He also a part of the Dragons of Heaven in a way

Appearance
Inuki has the appearance of a full grown grey dog of wolf descent.After he is reborn,Inuki has the appearance a cute puppy.

In battle he turns into a regular sized sword.A katana?

Personality
Inuki is a calm reliable dog.He can be considered anyone's ideal dog and is caring.