|Home world:||Earth (Neo Frontier Space Timeline)|
|First appearance:||A New Light: Part 1 (Flashback)|
|Last appearance:||Final Chapter III: Toward Tomorrow...|
|Number of appearances||4 (Dyna)|
|Family||Shin Asuka (son)|
Masami Hishima (close friend)
|Portrayed by||Daisuke Ryu|
Kazuma Asuka went disappeared in a Zero Drive navigation test into a beam of light. He was mentioned the first time by Masami Mishima, who was a close friend of Kazama, in episode 1 that they were join Super GUTS in around the same time and they were flying together until this accident happended (Kazuma's disappearance). He only appeared in flashbacks and once in Asuka's illusions when Dyna was frozen by Reigubas. He was presumed dead but in the final episode, he was revealed to be alive, joining his son when the latter also get sucked into a wormhole and travel towards the space-time continuum.