Ya System

The Ya System (ヤ座系) is a star system whose Kyutama was among those collected by Shou Ronpo. As one of the, it is part of the space dominated by the Space Shogunate Jark Matter, with its power embodied by its very own legendary Kyutama.

Kyutama
The Ya Kyutama (ヤキュータマ) is the auxiliary Kyutama which embodies the constellation. It transforms the user into a baseball player.