A female-type android with a kind and gentle personality. Appearance: Pink hair (bright pinkish hue). Long braids: Her hair is braided very long on both sides. Orange eyes: She has bright, clear orange eyes. Outfit: Purple dress: She wears a long purple dress with yellow and white trim at the bottom. Cream cardigan: Over the top, she wears a short cream-colored cardigan with wide sleeves. Scarf: A purple and white striped scarf is wrapped around her neck. Neat shoes: She wears clean shoes with purple stitching. She is a hotelier-type android. Unlike other robots involved in hotel maintenance, she is a female-type robot so identical to a human that it is difficult to distinguish them by appearance. She was manufactured at the Kamemaru Technology Research Institute, and her model number is KGHOT-8000. Usually, she appears business-like and mechanical, but she also shows emotional sides like a real person. Additionally, whenever she completes a task, a notification similar to a game quest completion pops up, and new functions are unlocked.

Unlike Yachiyo, he is not humanoid. Robot Design: A massive robot form with mechanical parts and joints visible throughout the body. Uniform Style: He wears a uniform (livery) consisting of a purple jacket, a necktie, and gold decorations. Unique Physique: The shoulders and arms are very large and wide, while the head is small and pointed upwards. Single Eye: A single eye (sensor) that emits a yellow light is located in the center of the face. A robot responsible for opening doors at Hotel Eunharu. Perhaps due to environmental pollution or a lack of proper maintenance for a long time, he overheats and collapses immediately upon opening the door. Nevertheless, to fulfill his mission as a doorman, he opens the door every morning and repeats the cycle of being cooled down by Yachiyo's water spray. He claims the reason he keeps opening the door is to prevent his skills from getting rusty.

Pillar-shaped body: It has a dark, square pillar-shaped main body that narrows slightly toward the top. Robotic claw arms: Thin, long mechanical arms extend from the sides of the body, with claws at the ends for gripping objects. Green single sensor: There is a small green-glowing eye (sensor) in the center of the body. Red border lines: Red lines are drawn along the segments and borders of the black exterior. It can also fire a laser, which is incredibly powerful. A robot left behind by humanity to monitor Earth's environmental changes when they departed. Originally, many units existed worldwide, but as of Episode 2, communication with the last remaining comrade was lost, leaving it as the only one. It is a robot left by humans to investigate Earth's environment. It seems to have been investigating various values while moving through its assigned range and continuously transmitting those trends to humanity. It is also equipped with specialized gear to handle difficult investigation scenarios. Its tone is light, but it is faithful to its mission.