Aster Daize was the typical high school nerd, in an untypical situation. Her entire life, the only thing she had known was the massive, white Building that she and everyone she knew had grown up in. Nobody had left or entered the building for centuries, but she has a feeling that there's more to it than what meets the eye. What happens when she finds herself being forced to leave? Add in the mysteriously annoying bad boy and she's got one heck of an adventure!