Tower IX - Forest Sector - Lyoko
A human turned virtual being with pink hair and a long pink dress was slowly fading away. "Well, it looks like my time is up."
On the ground before her was an unconscious virtual being, this one in a red kimono with flowers.
Aelita knelt beside the girl, sighing. "Yuzuki, this world is yours now. Whatever happens, Xana must not have the Keys. I'm sorry we don't have more time to be together again..." she said before she disintegrated into pink mist and merged with the unconscious program, which promptly awoke.
Yuzuki observed the edge of the tower for a few moments, then decided to learn more about Lyoko for the mission. Her sister's mission, now hers. Flying to the upper platform of the tower (and landing precariously on the edge), Yuzuki's arrival triggered a holographic display, which she promptly began to use in order to learn more about this world...
Near Tower VIII - World-I (World of Fog) - Lyoko
Yuzuki ran through the World of Fog faster than she had ever ran before. Some jellyfish-like creature, previously unknown to Yuzuki, was pursuing her through the mists, though Yuzuki had the advantage of her Second Sight.
Turning down a narrow pathway, Yuzuki spots a safe haven - a neutral tower - less than 45 meters ahead - and just barely makes it in before she's caught by the creature...
"This is it. I must contact the outside world. Now." Opening a supercomputer interface, she sent a simple message across the Internet to the computers at the one place she might be able to find help from - the Kadic University and Junior Academy.
Little did she know that her call would be heard...