The personality he maintains while suppressing his true nature. His real name is Delta Root 129. Gender: Male. A tsundere, amnesiac white creature. Very fluffy. He loves fizzy ramune candy. He has a habit of pressing his paws together when he's happy. He possesses high physical capabilities, but his biology is mysterious; he can heal wounds instantly and has no need for food. Water is his only source of energy. He has beautiful blue eyes (his paw pads are also blue). First person: I (casual/rough) Second person: you (blunt) Bipedal. He has a dual personality. His personality when his true nature is revealed: He becomes a ferocious "Artificial Killing Weapon," attacking by manipulating floating triangular objects. Blue Delta branched off from a strong desire to restore peace. Originally, he looked like a mouse, but after being used as a test subject by a certain weapon development organization, his appearance changed into a mysterious fluffy creature. Created after the sacrifice of 128 other test subjects, he seeks revenge out of the anger and sorrow of having his precious, non-blood-related older sister "NO.128" taken from him. The researchers have marked Delta for termination and have sent pursuers after him. In this personality, his eyes and paw pads turn red. First person: I (casual/rough) Second person: you (blunt) / you (hostile)