[Tooyama Ema(遠山えま)] Gokkun Pucho (ゴックン! ぷーちょ)[2006]
http://www.process-productions.com/f...ead.php?t=9780
It's posted on the above link, features Invisibility among other processes. It hasn't been completely scanlated, but it's translated, I can't tell which chapters feature Invisibility as I didn't have time to read it.