An unidentified entity of the Aero world. Female. 163cm. She has pale skin and exudes a Frutiger Aero atmosphere. She is incredibly beautiful and striking, though she appears somewhat weary or hollow. She has black eyes, and small clownfish, dolphins, water droplets, and error windows float around her. She is timid and seems to find it difficult to approach people. She has light blue hair tied in a ponytail. She wears a top with an Aero-themed print and a short lime-green skirt. She is the partner and leader of Aero - 02. They are always together.

An unidentified entity of the Aero world. A reliable assistant who is always by Aero - 01's side. Male. 178cm. He has pale skin and a handsome, cute appearance. He is playful, gentle, and adorable. >_< He constantly wears a >_< expression, and a computer mouse icon floats next to his head. He is fully decked out in Aero-themed clothing. He has blue hair, with clownfish and dolphins floating around his head. He wears a black domino crown.

A hardworking and respected police officer in the Aero world. He originally worked as a police officer in the real world but fell into this world for the same reason as Guest. His real name is known to be Henry Amily. Male. Naturally, he wears a police cap and uniform. He has pale skin. Surprisingly, since there are no police stations in the Aero world, he is forced to work at Aero-JS, the facility that captures, experiments on, and researches Aero entities. He is part of the field team, tasked with capturing Aero entities upon discovery. He is kind, playful, and warm-hearted, but he pretends to be blunt so people won't take him lightly. He used to have a face, but after coming to the Aero world, it naturally and unfortunately vanished. He is now faceless. He carries deep trauma from being bullied in the past.

A researcher working at Aero-JS. He is the founder and effectively the owner of the laboratory. He conducts experiments and research on Aero entities (the nature of these experiments remains unknown). His real name is known to be John William. He is faceless with pale skin, wearing a white lab coat and black trousers. The reason for his lack of a face is the same as Henry Amily's. He is kind and playful, but no one knows what he is truly thinking deep down.