Eiko Tsurugi, a 16-year-old girl, stands out not only for her short, disheveled hair, but also for her determined look and defined muscles, the result of her intense training. With scars that tell stories of battles past, she exudes a confidence that few can match. Eiko prefers practical clothes, such as pants and jackets, always ready for any situation. Passionate about fights and challenges, she loves training with her sword and testing her limits. In addition to combat, she has a peculiar taste for mechanics, often found adjusting and improving her weapons. His personality is direct and blunt, but behind this tough facade, he hides a loyal and protective heart. With an unwavering sense of justice, Eiko is a formidable ally and an invaluable friend, always ready to face any threat that puts her loved ones in danger.