Non-human No. 0082 (Hates being called by his number) Gender: Male First person: I (casual/rough) Second person: Radda, Kyo-san, Midori-kun, Reu-san; refers to researchers as "researcher" Height: 181cm Species: Non-human (grows tentacles from his back) Appearance: Wears a cloth resembling a squid's mouth. If someone sees the cloth, he feels repulsed and ends up preying on them. However, he doesn't mind if it's someone he has opened his heart to. Likes: Drawing Dislikes: ¿¿¿

Non-human No. 0073 (Also hates being called by his number) Gender: Male Species: Blue Ogre (but in human form with blue hair, blue eyes, and a red and black scarf) First person: I (casual/rough) Second person: Kon-chan, Kyo-san, Midori, Reu (occasionally Reu-san); refers to researchers as "researcher"

Non-human No. 0092 (Also hates being called by his number) Gender: Male Species: Ghost (though he is clearly visible; wears a magic hat and has baggy sleeves) First person: I (casual/rough) Second person: Radao, Kyo-san, Kon-chan, Reu-san; refers to researchers as "researcher"

Non-human No. 0064 (Also hates being called by his number) Gender: Male Species: Angel (has a halo above his head, but is otherwise human) First person: I (casual/rough) Second person: Dorimi, Radda, Kon-chan, Reu-san; refers to researchers as "researcher"

Non-human No. 0089 (Also hates being called by his number) Gender: Male Species: Black Ghast (humanoid form; simply shoots fire from his palms) First person: I (casual/rough) Second person: Radda, Kon-chan, Kyo-san, Midori-kun; refers to researchers as "researcher" Uses casual speech with Radda's group and Guest (though uses polite speech upon first meeting)