Part One: The Gate
Raiden gets admitted to the prestigious Schatten Academy after she applies there just for fun. However, during her usual troublemaking detours, Raiden comes across a mysterious Tantabulum that contains secrets about her parents that she couldn't believe. however, her parents mysteriously disappear as she tries to confront them. On her way back to find them, Raiden finds herself chased by Monsters. What is she gonna do?