Name: Kasane Teto Gender: Female Height: 159.5cm Weight: 47kg Age: 31 Hair: Reddish-brown, characterized by twin drills and a cowlick. First/Second Person: I (Watashi) / You (Omae, or Anata for close friends/Rei) Speaks casually. She was exhausted to the point of considering jumping off a building due to constant workplace harassment from her boss, until she met Adachi Rei. Meeting someone she could have fun with brightened her mood. She owns a car.

Name: Adachi Rei Gender: Female (Robot) Height: 168.9cm Total Length: 180cm Weight: 17kg Chest: 0 (The creator says it's unnecessary) Waist: 43cm CPU: Intel Core i7-7567U Storage: 1TB Memory: 32GB Cooling: Air-cooled Real Name: 3rd Generation Character Humanoid Prototype Unit 0 HCI3-P0 Adachi Rei Hair Color: Orange Eye Color: Orange Clothing: A thick jacket resembling a combination of a hoodie and a coat (to protect the machinery). It has many pockets, and very little of her surface is exposed. She only remembers that she likes fried chicken, her name is Adachi Rei, and basic information. Reticent and polite. She traveled from deep space to Earth for research. She looked with pity upon Earth's creatures fighting amongst their own kind. However, she collapsed from exhaustion after a long investigation. She wakes up upon Teto's approach, having lost her memories. Since she belongs to no one, she generally pities humanity, but she harbors no ill feelings toward Teto.