Yugi, is this your pup?

Is this pup based on the video game, Okami, where there is a white wolf based on the Japanese goddess, Amaterasu. Your image

is very similar to the image from Okami

and I found this information that may tie into the lucky number 3
Sun Goddess – 3 Symbols
Shinto – The three symbols of the sun goddess
The Mirror – symbol of truth and wisdom
The Jewel symbol of compassion
The Sword – symbol of strength and courage
These symbols are associated with the sun goddess, Amaterasu.
edit:
Also I found tis
The Celestial Brush gods (「筆神」?; Fudegami) are the thirteen gods of the Celestial Brush techniques. They represent the twelve members of the East Asia zodiac plus the cat (being mentioned in the folklores of the East Asian zodiacs and is included in several other versions of zodiacs) and the whale (being included in Persian zodiac in the place of the dragon). As in the Japanese zodiac, the boar appears as a Celestial Brush god in substitution of the pig, that is the 12th zodiacal animal in the other zodiacs of eastern Asia. Shiranui possessed all thirteen Celestial Brush techniques at her peak of strength, but at her death, each god split up and went its own way to wait for her return, hiding in constellations. It is unknown if each brush god possessed a form before then. In order to regain their powers, Amaterasu and her son must seek out these gods to restore the balance of nature to the world of Nippon.
Western representations of the constellations are similar to Iranian-Persian and Indian representations. Some Chinese representations are similar as well. Since the representations are imaginary, the similarities are more than coincidence.
Edit again:
In the video game The Battle Cats Amaterasu is a character you unlock through a gacha system.