Eiko Magami

A-ko seems to be near invulnerable with superhuman speed and strength, is the heroine of the series and lives in Graviton City, Japan. A-ko is usually very friendly, cheerful, and polite, and always tries to lead a normal life despite her unusual lineage. However, she does have a fiery temper, and is very dangerous when angered. She has a large appetite, and a tendency to oversleep on school days. Her constant friend is C-ko Kotobuki, whom she has known since kindergarten. Although she truly loves C-ko, even she ca…