Title: Shin Mazinger Shogeki! H Hen (真マジンガー　衝撃!H編)
Original date of publication: 2009-08-19 (#2009-10)
Original publication: Gekkan Champion RED (月刊チャンピオンRED)
Original editor: Akita Shoten (秋田書店)
Art & scenario: Go Nagai

Images:


One-shot, 39 pages.

Links:
http://ameblo.jp/mazingerangel/entry-10324689082.html
http://blogs.dion.ne.jp/baronblog/archives/8704068.html
http://www.moeyo.com/2009/08/book_champion-red.html
http://emd2nd.blog47.fc2.com/blog-date-20090818.html
http://love.ap.teacup.com/spencer19/841.html
http://ja.wikipedia.org/wiki/真マジンガー_衝撃!_Z編
http://www.shin-mazinger.com/comic/
http://www.akitashoten.co.jp/CGI/autoup/syousaiput.cgi?id=02528
http://aosora.blog3.fc2.com/blog-entry-2879.html
http://www.frontier-line.org/diary/1250964732233.html
http://ameblo.jp/mazingerangel/entry-10299940371.html
http://cmj.cocolog-nifty.com/blog/2009/08/red10819-48e7.html

Topic updated.

Is there any actual good scans of this manga?

Yup. Check random raws.
http://randomraws.wordpress.com/

darn, That site Infected my Computer

You have to clean them.