When two people get sent to literally another world on their own accord, to gather knowledge and trade info between their world and Earth. What will transpire?

Before the sequel to the amazing VRMMORPG Alfheim Online is released, Hiro Yamada's sister is kidnapped and Hiro must beat the entire game to save her. Find out what happens in Alfheim 2, will Hiro save his sister or die trying?

This is a crossover between Kingdom Hearts and Legend of Zelda. Basically, the final battle between Link and Ganon in Ocarina of Time events cause a wormhole to open sucking Sora and Riku into Hyrule. They then must figure out a way to return back to their world before any serious damage is caused.