Radirgy Noa

Radirgy Noa (also written as Radirgynoa) is a vertically scrolling shoot ’em up that was released in June 2009 for the Sega Naomi arcade platform by Milestone Inc. and the sequel to Radirgy.
Radirgy Noa features a cel-shaded graphical style very similar to that of its predecessor and 2-player co-op. Screen orientation is horizontal. Ruki Mishima, a redeemed villain of the first game, joins the cast as a player character.