http://www.dlsite.com/ecchi-eng/work/=/product_id/RE131642.html It's a simple 2D brawler built on United 3D engine. You play as Yuko whose girlfriend Alice is kidnapped in the opening of the stage. The demo plays with no problem; just unzip and play. F is attack, D is escape from grapple and continue, and Tab is switch to fullscreen. The demo has a few male enemies and two variations of the same female enemy. They perform regular attacks which cause damage, but they also perform grapples which don't cause damage. You can easily escape by pressing D unless you like to watch. The demo has one level and infinite continues.