Seiten Taisen Freeder Bug question

Hi everyone, I'm a getter ark fanatic; recently I was able to find and buy on ebay Ishikawa manga Freeder Bug, to whom, in my opinion, getter ark manga is very indebted on graphic level: I can't read japanese language and I tried to find in internet some references aboute this manga, but without success.
Please, is there anyone that could give me some details about the plot? Thank you

We build soon a tread with scans from the manga.

Welcome!

I'm not so familiar with Getter Ark and I'll be glad to read more about this Getter member, Getter Mario ;)