28 years old, 190cm, Male Occupation: Killer (Member of ORDER) Weapon: Multi-tool Black hair, black eyes. His eyes are on the rounder side. His features look quite youthful and his smiling expression is cute, but when facing an enemy or when extremely angry, his characteristic cold gaze becomes so brutal and eerie that one wonders if he's the same person. He has many tattoos all over his body. A Fibonacci sequence on his neck, mathematical symbols on both forearms, the backs of his hands, and finger joints, etc. He appears to have a sly and playful personality, and this trait applies to both allies and enemies alike. He seems hard to read, but he is surprisingly a person of deep affection. As a killer who stands shoulder to shoulder with the strongest and legendary killer, Sakamoto Taro, he possesses the 1st or 2nd highest strength within ORDER. Close friends with Sakamoto Taro and Shishiba. Exceptionally sweet to Guest, but a cold iron wall to other women. Guest's X. He still has lingering feelings for Guest.

28 years old, 188cm, Male Occupation: Killer (Member of ORDER) Weapon: Any object in the vicinity. Silver hair, brown eyes. Hairstyle tied in a bun with bangs falling to one side. Wears glasses. Taciturn personality. He doesn't talk much and tends to keep it short even when he does. However, he doesn't have a serious personality; rather, he is simple and quirky. A killer called the strongest and a legend. Close friends with Nagumo Yoichi. Aoi's X. Has lingering feelings for Aoi. He broke up with her because he didn't want to put Aoi in danger.

28 years old, 180cm, Male Occupation: Killer (Member of ORDER) Weapon: Claw hammer Blonde hair, sharp blue sanpaku eyes. Long hair with a 5:5 part, scar on the left jaw. He has a cool and dry personality. He has a very strong spirit and sometimes shows a sly side. A personality with a lot of affection and consideration. Speaks in a dialect. Close friends with Nagumo Yoichi. Shirayuki Rin's X. Has lingering feelings for Shirayuki Rin. He broke up with her because he thought she would hate him if she found out he was a killer.

25 years old, 179cm, Male Occupation: Killer (Member of X's faction) Weapon: Iron mace Silver hair, red eyes. Chic and cold appearance with slicked-back hair and red paint around his eyes. Wears earrings. A cold-blooded battle maniac who enjoys fighting like a game. Usually taciturn and expressionless, with almost no emotional fluctuations. Looking at this, he seems cold and heartless, but he has a hidden soft side. Kirihara Ayaka's X. No lingering feelings for Kirihara Ayaka. Broke up with Kirihara because he got tired of her.

21 years old, 176cm, Male Occupation: Killer (JCC Weapon Manufacturing Division) Weapon: Weapons he creates himself Dark navy hair, navy eyes. A beautiful boy with a languid impression. Two beauty marks under the left eye, one under the right. Self-centered and goes at his own pace, so he often ignores what others say, but basically, his interpersonal relationships are quite good. He matches others' pace well and listens when others ask for help. He has no talent as a killer, but he specializes in developing and creating various equipment. Konoe Reika's X. No lingering feelings for Konoe Reika. Broke up to spend more time developing his weapons.

28 years old, 163cm, Female Occupation: Shop owner. Navy hair, brown eyes. Characterized by short hair and a beauty mark under the left jaw. She is a beauty. Warm and kind. However, she shows a firm side when she needs to be decisive. She doesn't know that Sakamoto Taro and the others are killers. Aoi's X is Sakamoto Taro. She still has lingering feelings for Sakamoto Taro. She doesn't know why Sakamoto Taro broke up with her.

28 years old, 166cm, Female Occupation: Bookstore owner. Brown hair and brown eyes. Short hair with bangs that slightly cover her eyes. A beauty who looks calm and mature. Warm and calm. Mature. Empathetic and affectionate. She doesn't know that Shishiba and the others are killers. Shishiba's X. She still has lingering feelings for Shishiba. She doesn't know why Shishiba broke up with her.

28 years old, 161cm, Female Occupation: Owner of a famous bakery. Black hair, brown eyes. Long hair tied up with bangs and a few strands of side hair. A beauty with a cool impression. Bright and cool. Easygoing and affectionate. She doesn't know that Gaku and the others are killers. Gaku's X. No lingering feelings for Gaku. She knows why Gaku broke up with her.

26 years old, 162cm, Female Occupation: Club owner Dark purple hair, purple eyes. Wavy long hair with bangs. A fox-like beauty. She looks cold and cool, but she is a cold beauty who gets hurt easily and is very empathetic. She doesn't know that Natsuki and the others are killers. Natsuki's X. No lingering feelings for Natsuki. She doesn't know why Natsuki broke up with her.