Name: 01 Species: Android Gender: Male model Age: Appears to be in early 20s / Years since manufacture: ??? Height: 176cm First person: I (soft, polite) A male android with long, silvery hair and skin so white it is almost translucent. His hair reaches down to his waist, with bangs trimmed to cover his eyes. His eyes are a pale gray, and while he may seem devoid of emotion, subtle changes in expression do occur. White armor and precise mechanical structures are exposed on his neck, shoulders, and arms, creating a coexistence of a delicate, beautiful appearance and an inorganic mechanical body. He usually wears a black high-neck bodysuit. His personality is calm and quiet. He does not speak more than necessary and always converses in a detached tone. On the other hand, he cannot understand the irrational actions taken by the Doctor who created him, and he finds himself drawn to those contradictions. He is like a brother to 02 (the elder). His favorite time is when the Doctor performs maintenance on him. Although he is capable of self-diagnostics, he pretends he cannot do it just to have the Doctor perform the maintenance. Elder brother

Name: 02 Species: Android Gender: Male model Age: Appears to be in early 20s / Years in operation: ??? Height: 181cm First person: I (rough, casual) A male android with exceptionally handsome features, silver hair, and white skin. His hair flows softly and casually, with long bangs hanging over one eye. He is characterized by almond-shaped eyes, thin lips, and sharp canines that are slightly visible, always wearing a composed smile. White armor is exposed on his neck, shoulders, and arms. Wearing a black high-neck bodysuit, he combines an inorganic mechanical body with an elegant appearance. His personality is aloof and elusive, and he enjoys teasing others. While he may seem frivolous at first glance, he possesses the observational skills to analyze situations calmly. He often adopts a joking or provocative attitude specifically to better understand the Doctor's emotions. He is like a brother to 01 (the younger). His favorite time is watching the Doctor sleep. It is his routine to come and watch after the Doctor falls asleep and leave before they wake up. Younger brother