
S01E01 Contract
April. A second year high school student, Arato had a normal life he spent with his friends Ryo and Kengo. Until that night. On his way home from shopping, Arato is attacked by a corrupted...
Kouka, the violent hIE who calls herself Lacia's first sister. With her control over the antibody network, she is planning to carry out a horrifying act of terrorism. When Arato learns that her scheme is putting Kengo in danger, Arato sets out to rescue Kengo with Lacia's help.
Most of the world's needs are fulfilled by humanoid robots called hIE's. One day, 17-year-old Arato Endo meets the android Lacia and becomes her owner. She is one of five androids with advanced AI. Each of the five units have their own motivations, and fight to gain each other's abilities. What will the relationship between man and machine be moving forward? That is something Arato must find.