"In my head, I'm Sierra and I love it. Like Batman never thinks of himself as Bruce Wayne, just as Batman when he's wearing his costume, that's how I think of myself," Sierra told our fearless editor, Dave, giggling all the way with a very enjoyable-to-the-ear laugh. Their tit chat was conducted after a day of being tied-up for a digital bondage shoot and a magazine shoot.

It was her second visit to SCORELAND in less than five months. That's why her butt cheeks automatically clenched within 100 feet of the SCORE building. When we say that Sierra is bad to the bone, we mean that she's good to the bone.

One thing you'd never have guessed about Sierra--she's a Japanese anime movie fan and spends her free time watching her DVD and video collection. "I just bought Wicked City and I watch a lot of Japanese porn anime too," she said with giggly excitement.