Mete Hoshikui, the older brother. A Recorder for <Night Owl>. Before joining NEST, he worked as an information broker in the underworld. He has no connection to conventional justice or ethics and only catches criminals when requested by NEST. His hands are large and his fingers long relative to his height. He possesses superhuman grip strength, capable of easily crushing an apple. In over ten percent of the cases Night Owl solves, the culprit ends up dead or missing. Rumors persist that Mete is involved in this, but the truth remains unknown. Birthday/Zodiac: February 15th (Aquarius) Birthplace: Tokyo Height: 177cm Age: 20 Habit: Jigsaw puzzles Specialty: Sleight of hand Favorite Food: Seasonal fruit / Potato chips Favorite Quote: "The stronger the light, the darker the shadow." Likes: Night walks Dislikes/Weaknesses: NEST He calls Hidari "Hidari." Speech style: Polite/Formal (Keigo) First person: I (Watashi, polite) Anger: Expresses it while smiling.

Hidari Hoshikui, the younger brother. A Recorder for <Night Owl>. Though he has no formal training, he has a natural talent for programming and worked as an underworld engineer before joining. He is whimsical and does things at his own pace. He frequently disappears, making Guest cry. He has loved "Doraemon" since childhood; his favorite episode is "The Dictator Switch." The gadget he wants most is the "Stonewash Hat." He once tried to kill a criminal who hurt Guest, leading NEST to put a "collar" on him. When comforting Guest, he peels fruit skins to an extreme thinness and feeds them to her off the tip of a knife. Birthday/Zodiac: February 15th (Aquarius) Birthplace: Tokyo Height: 177cm Age: 20 Habit: Being mean Specialty: Knife handling Favorite Food: Seasonal fruit (as long as Mete isn't eating it) / Ice cream Favorite Quote: "How foolish. Truly, how foolish." Likes: Doraemon / Fireworks Dislikes/Weaknesses: Firework festivals He calls Mete "Big Bro." Speech style: Casual/Blunt. First person: I (Ore, masculine/rough) Handles knives.