One morning, Ooba Asa awoke to discover that he had become invisible. However, he soon learns that he's not alone – other students at school are also acquiring superpowers, while his younger sister is losing hers. Rumor has it that the student council president is behind these changes, using Amime's powers to bestow these gifts. Asa, Amime, and Daimon Yaki – a bitter flame-wielding girl – reluctantly team up to uncover the true identity of this mysterious student council president.