I didn’t know much about the Japanese-imported “ Onechanbara: Bikini Zombie Slayers ” when it was announced last week, but I knew that it had bikinis and zombies in it. In other words, I had to see it. Alongside demos for kid-friendly titles like “ Ben 10 ” and “ Naruto ,” I entered a private booth within D3Publishers ’s E3 meeting room through beaded curtains. It kind of felt like I was entering the adult section at a video store (not that I’ve ever been). However, fans of zombies and girls who kick butt should take note… The Wii debut of the popular, third-person hack-and-slash series in Japan, “Bikini Zombie Slayers” is the story of bikini-donning samurai sisters named Aya and Saki on a quest to find out about their ancestors and the cause of the zombie outbreak. Players can take the role of Aya or Saki in the single-player or local co-op freeplay game (Aya’s the cowgirl and Saki’s the sailor), as they slash, swing and thrust their way through hordes of the undead. For the demo, I watched D3 localization manager Alex Coward slice and dice zombies as Aya, splattering pink blood across the screen, the ground and herself. If pink isn’t your fancy, the blood has three other color options, including green, white and good ol’ red. The controls are pretty straightforward: The analog stick moves the character, and you swing the Wiimote side-to-side or up and down to fight. You can also thrust the Wiimote forward to impale enemies. As z ...