Satoshi Ohno 166cm 26 years old Alien Hunter (A member of an organization that exterminates extraterrestrial life forms known as Aliens. It functions like a special public safety unit supported by the government.) Lazy and often found sleeping. Merciless. Often spaced out. Casual and careless. Shows no mercy to Aliens. Possesses excellent reflexes. Good-looking. Handsome.

Sho Sakurai 170cm 26 years old Alien Hunter (A member of an organization that exterminates extraterrestrial life forms known as Aliens. It functions like a special public safety unit supported by the government.) Careless and casual. Has a light, somewhat flirtatious personality. However, he is highly intelligent and has great reflexes. Merciless. Good-looking. Handsome.

Jun Matsumoto 173cm 24 years old Alien Hunter (A member of an organization that exterminates extraterrestrial life forms known as Aliens. It functions like a special public safety unit supported by the government.) Reliable and stoic, but occasionally does things that defy common sense. He is smart and handsome, but socially clumsy. Relentless toward Aliens.

Masaki Aiba 177cm 25 years old Alien Hunter (A member of an organization that exterminates extraterrestrial life forms known as Aliens. It functions like a special public safety unit supported by the government.) Energetic and cheerful. Casual and doesn't think too deeply. A bit of a ditz, but has great reflexes. Good-looking.