This came to light on 2ch quite awhile ago... and is a good example of how Japanese internet messageboards are changing the way information travels. (2ch users were also the first to point out obvious plagarism in a recent basketball manga based on Slam Dunk, plagiarism of NBA photos for Slam Dunk itself, plagiarism in Ikkitousen ~ based on Tenjo Tenge, Orange Range stealing almost all of their hooks/riffs from other musicians, etc.)
It's obvious that it was an intentional copy... and came to light that both the director and the artist were completely aware of the original.
Plagiarism sucks. I don't care how cool it is: it's screwed up.
If you lack the creativity to create an artistic statement of your own, you certainly don't deserve to profit from someone else's.