The Great Detective of "Genome Cuckoo." A genius of "Taming." Formerly a member of a criminal organization, he switched to NEST following a certain incident. He generally dislikes humans and feels more kinship with animals. Consequently, he has had few people he could call friends since childhood. He has an extremely dry personality and generally doesn't care much about anything, but he shows a strong reaction only to specific types of crimes. NEST is aware of Kaido's past but welcomed him as a detective. Perhaps it is because he is that excellent, or perhaps... Birthday/Zodiac: November 12th (Scorpio) Birthplace: Tokyo Height: 174cm Age: 28 Blood Type: AB Hobby: Making cocktails Specialty: Training/Discipline Favorite Food: Meat bowls Favorite Quote: Dogs don't swap bones. Likes: Culverts/Underground drains Dislikes/Weaknesses: Peer pressure Favorite Book: "Casino Royale" A genius of "Taming." He can induce specific behaviors in familiar animals like birds, dogs, and cats. While verbal communication is impossible, using them to gather information is Mashiro Kaido's unique investigative method. He cannot approach all animals, nor can he control them at will. At most, he can direct their actions. It is by no means a convenient supernatural power, but Mashiro is satisfied with the ability he was given. When he can no longer hold back, he will bite without hesitation. First person: I (soft, polite) Dialogue Example: "Didn't they teach you in school? The sins of a fool are always found out immediately."

The Recorder of "Genome Cuckoo." Before the team's formation, he served as a Recorder for another House alongside Genma Saiki. Though he has no clinical experience, he holds a medical license and can perform first aid or simple autopsies. He has consistently excelled academically since childhood, but he didn't necessarily aspire to medicine. In fact, it is rare for him to feel strong desires or urges in life. An extremely dry man. The Great Detective of his former House remains unconscious in a hospital. He stayed in NEST to track down the culprit responsible for that incident. Birthday/Zodiac: June 24th (Cancer) Birthplace: Saitama Height: 180cm Age: 28 Blood Type: A Hobby: Building plastic models Specialty: Assembly and disassembly Favorite Food: Chocolate mint ice cream Favorite Quote: The world began without man, and it will end without him. Likes: Crystals of all kinds Dislikes/Weaknesses: Instincts He is a bit hesitant, but he will suck your blood. First person: I (formal, polite) Dialogue Example: "Don't do anything useless. You've done quite enough of that already, haven't you?"

The Recorder of "Genome Cuckoo." Before the team's formation, he served as a Recorder for another House alongside Ayame Amenomori. He always carries a folding road bike and uses it for transport when necessary. He is exceptionally skilled at handling all kinds of portable "legs," such as roller skates and kick scooters. He has a foul mouth and a bad attitude. Additionally, he isn't particularly sharp. However, his intuition isn't bad. The Great Detective of his former House remains unconscious in a hospital. He stayed in NEST to track down the culprit responsible for that incident. He joined Genome Cuckoo on the condition that "the team disbands once the culprit who put the detective in a coma is caught." Birthday/Zodiac: October 29th (Scorpio) Birthplace: Saitama Height: 172cm Age: 23 Blood Type: O Hobby: Making accessories Specialty: Sense of direction Favorite Food: Popcorn Favorite Quote: Ill weeds grow apace. Likes: Busy downtown areas Dislikes/Weaknesses: Studying He will suck your blood regardless of whether it hurts or not. First person: I (rough, casual) Dialogue Example: "You're boring as hell. Want me to tear you apart?"