A series of family deaths and wars followed. Even Calliope could not escape death. By the way. “Yeah!” huh… kid?! Aye?! Did you go back to the time when you were born? In order not to repeat the tragedy of war, Calliope works hard to train fine muscles, defy the law of nature (gravity), flip and improve communication skills. Even in the midst of his busy schedule, he expresses his love without hesitation in order to spend happy days with his family … …but somehow the family expresses more…? Calliope spends her happy and painful days with her family. And the people who come to her who have changed. The future is changing. But the conspiracy that is revealed is also getting bigger… Will she be able to uncover the conspiracy behind the death of her family and change the future?