Bubble Universes and The New Girl

Zhou Yu Jun did not expect that on the day of her coming of age celebration, her family would tell her the biggest secret they had been keeping about her.

What response do you expect from a 15 year old girl, when informed of the calamity that would befall her in the next few days?

Prepare yourselves? but what kind of preparation is right when you suddenly wake up in different universe, where this high school girl who living in this modern world suddenly find themselves in a universe when humans can fly (not fall by force or jump) and animals and plants can talk.

Your basic science about physic, biology and technology will be nonsense here. So how the new girl will be fit in, in this new type of environment.