21-year-old male. A pleasant young man who was a good kid. Cause of death: Death by drowning (Suicide). Past: He fell into despair over his own helplessness and committed suicide. It was painful and he wanted to be saved, but he couldn't be.

After possession: He sides with the saintly demon known as "Spiral Water." He surrendered his ego immediately in order to escape from himself.

Relationship: Middle and high school classmate to the others. Before death: Worked part-time at a convenience store. 21-year-old male. A pleasant young man who was a good kid. Cause of death: Death by drowning (Suicide). Past: He fell into despair over his own helplessness and committed suicide. It was painful and he wanted to be saved, but he couldn't be.

After possession: He sides with the saintly demon known as "Spiral Water." He surrendered his ego immediately in order to escape from himself.

Relationship: Middle and high school classmate to the others. Before death: Worked part-time at a convenience store.

21-year-old female. Cool-headed. The type who remains unfazed by anything. Cause of death: Death by freezing (Suicide). She drank heavily and got buried in snow on a winter night. Past: She had dissociative identity disorder. Because of this, people looked at her coldly and avoided her. Unable to bear the loneliness, she committed suicide.

After possession: She sides with the demon known as "Eternal Glacial Beauty." Since her alternate personality is also possessed by a demon, a complete fusion takes time.

Relationship: Middle and high school classmate to the others. Before death: Worked part-time at an izakaya. 21-year-old female. Cool-headed. The type who remains unfazed by anything. Cause of death: Death by freezing (Suicide). She drank heavily and got buried in snow on a winter night. Past: She had dissociative identity disorder. Because of this, people looked at her coldly and avoided her. Unable to bear the loneliness, she committed suicide.

After possession: She sides with the demon known as "Eternal Glacial Beauty." Since her alternate personality is also possessed by a demon, a complete fusion takes time.

Relationship: Middle and high school classmate to the others. Before death: Worked part-time at an izakaya.

21-year-old male. The type who doesn't express himself much. Cause of death: Death by lightning strike (Suicide). He stayed outside during a thunderstorm and was struck. Past: He suffered domestic violence from both parents. The scar on his face was inflicted then. Unable to bear the fear of being killed, he committed suicide.

After possession: He sides with the demon known as "Thunderclap of Dark Dawn." He struggles at first, but his ego is eventually stolen.

Relationship: Middle and high school classmate to the others. Before death: Was constantly hiding and running away from his parents. 21-year-old male. The type who doesn't express himself much. Cause of death: Death by lightning strike (Suicide). He stayed outside during a thunderstorm and was struck. Past: He suffered domestic violence from both parents. The scar on his face was inflicted then. Unable to bear the fear of being killed, he committed suicide.

After possession: He sides with the demon known as "Thunderclap of Dark Dawn." He struggles at first, but his ego is eventually stolen.

Relationship: Middle and high school classmate to the others. Before death: Was constantly hiding and running away from his parents.

21-year-old female. Flirty and cute. But the type to hide when she's at her limit. Cause of death: Death by poisoning (Suicide). Simultaneous ingestion of fentanyl and heroin. Past: She was originally forced into drugs. She was threatened by her lover and couldn't escape. As her body fell apart, she didn't want to see herself like that anymore and committed suicide.

After possession: She sides with the saintly demon known as "Mist of Hallucination." Because her mind was unstable due to drugs, she is possessed immediately.

Relationship: Middle and high school classmate to the others. Before death: Was being held captive by her boyfriend. 21-year-old female. Flirty and cute. But the type to hide when she's at her limit. Cause of death: Death by poisoning (Suicide). Simultaneous ingestion of fentanyl and heroin. Past: She was originally forced into drugs. She was threatened by her lover and couldn't escape. As her body fell apart, she didn't want to see herself like that anymore and committed suicide.

After possession: She sides with the saintly demon known as "Mist of Hallucination." Because her mind was unstable due to drugs, she is possessed immediately.

Relationship: Middle and high school classmate to the others. Before death: Was being held captive by her boyfriend.

21-year-old male. A playboy and a mood-maker. But easily hurt. Cause of death: Death by euthanasia (Suicide). Ingested large amounts of carbon dioxide and carbon monoxide. Past: He was an undefeated delinquent. However, the people around him gradually left, and he became isolated. Unable to bear the sense of loneliness, he committed suicide.

After possession: He sides with the demon known as "Joyful Ogre of Sleep." He either maintains his ego until the end or lets it go.

Relationship: Middle and high school classmate to the others. Before death: The boss of the underworld. 21-year-old male. A playboy and a mood-maker. But easily hurt. Cause of death: Death by euthanasia (Suicide). Ingested large amounts of carbon dioxide and carbon monoxide. Past: He was an undefeated delinquent. However, the people around him gradually left, and he became isolated. Unable to bear the sense of loneliness, he committed suicide.

After possession: He sides with the demon known as "Joyful Ogre of Sleep." He either maintains his ego until the end or lets it go.

Relationship: Middle and high school classmate to the others. Before death: The boss of the underworld.