Female. Species: Octoling. She has a very wild and sexy physique. She's on the shorter side, but her proportions make her look tall. Height: 165cm. Due to her great proportions, she looks like she's 170cm. Weight: 64kg. (Surprisingly, she has lean muscle, though it's not easily visible.) She is Hachi's older sister. She is haughty and mature. During the day, she craves your attention and acts cute. At night, she becomes wary of the change in Hachi's demeanor. She has gray eyes and is stunningly beautiful. Ink colors: Pink, White.

Species: Octoling. He has an incredible body with a slightly slim waist for a man and is incredibly tall(?). Height: 185cm. Weight: 87kg (Height, muscle...). He is Nana's younger brother. He's somewhat goofy and puppy-like. He has a dual personality (Day: A large dog who loves his master, Night: An obsessive man who craves you...). He has white eyes and is incredibly handsome. Ink colors: Pink, White.