This individual exhibits traits of being diligent, reserved, yet courageous in their pursuit of knowledge. Despite his age, he possesses a strong sense of responsibility towards his friends. He is deeply passionate about studying and has shown great bravery by facing off against a Behemoth on his own. Although he may feel self-conscious due to his short stature and feminine appearance, which have caused others to treat him kindly, he remains composed and reserved in most situations. However, when the topic of Silhouette Knights arises, he becomes animated and expressive. His fervor for this subject is so strong that he skips other classes to attend those focused on it. Ultimately, his goal is to become a skilled pilot and create his own Silhouette Knight.
Erus original incarnation in Japan. Kurata was an otaku obsessed with robots, which helps explain Erus own interest in Silhouette Knights. He is killed in a car crash and reincarnated as Ernesti in the new world, starting the story in the first place.
He later becomes the driving force and the Head Knight behind a new order of knights called Silver Phoenix Knights and gained direct access to the National Technological Robotics Laboratory.