Let's see those betas.

"Hmm," you say. "I know happen to know a little Japanese. Mind if I look over those test notes?"

She shrugs. "Sure."

A short while later, you've gotten a pretty good idea what they are:

The first is Space World, a far future adventure with aliens and starships galore.
The second is Pirate World, featuring swashbuckling adventures on the high seas.
The last is a porno, entitled Erotic World. From what you can tell it creates a scenario like the real world, but where everyone's gorgeous, there are no sexual taboos, and sex is available for the asking.