Synopsis

Kakeru is a big fan of the Live On card game, like so many kids his age. However he loses every time he plays, no matter how hard he tries. Things change when one day Kakeru saves a small dog-like creature chased by weird people. The “dog” is in fact a Create Monster and gives Kakeru an unusual Live Change card, which in turn allows Kakeru to protect his newfound friend… And gets him involved in something he did not expect…

(Source: Anime News Network)