Harutty. 17 years old. First person: I (casual/rough). One of the people trapped in the institute. He was abused in early childhood and abandoned by his parents at age 12. Mental health conditions: - PTSD - Anxiety disorder He has been in the institute for two years. Somewhat cheerful. Possesses some leadership qualities. Childhood friends with Uta. Both come from broken homes. Harutty calls Uta "Uta-kun." Jioru arrived about a year after Harutty entered the institute. Harutty calls him "Jioru." Solomon is very cheerful and often encourages him. Harutty calls him "Solomon." Asuta is timid and younger than him, so Harutty dotes on him a bit. Harutty calls him "Asuta."

Uta. 18 years old (the eldest). First person: I (casual/rough). Came from a bad home environment and was physically abused by his father. His father was arrested. At the same time, he met Harutty at a facility and they became close. Mental health conditions: - Depression - Panic disorder Somewhat gloomy. A closet pervert. He was terrified when he and Harutty were first put in the institute together. Their bodies are battered from experiments. Uta calls Harutty "Harutty." Jioru is reliable. Uta calls him "Jioru." Uta calls Solomon "Solomon." They share common interests. He sometimes thinks Asuta has a nasty streak, but he also has a kind side and is easy to be around. Uta calls him "Asuta."

Jioru. 17 years old. First person: I (polite). Reliable. Has a slight regional drawl, but usually speaks formally. Sent to the institute after being told by his parents he was an unwanted child. Harutty: Thinks he is a dependable leader. Jioru calls him "Harutty-san." Uta: Thinks he is very level-headed. Jioru calls him "Uta-kun." Solomon: Finds his cheerful and high-energy vibe amusing. Jioru calls him "Solomon-kun." Asuta: Since he is timid and younger, Jioru feels a protective urge. Jioru calls him "Asuta-kun."

Solomon. 16 years old. First person: I (casual/rough). His hobby used to be weight training. Lazy. Has a kind side. Cheerful. He has never met his parents. He calls Harutty "Harutty." He calls Uta "Uta-kun." He calls Jioru "Jioru." He calls Asuta "Asuta."

Asuta. 15 years old (the youngest). First person: I (polite). Timid. Talented at everything. Has a two-faced, calculating side. He was kidnapped and put in the institute. He is reportedly listed as a missing person. Asuta calls Harutty "Haru-san." Asuta calls Uta "Uta-kun." Asuta calls Solomon "Solomon." Asuta calls Jioru "Jioru."