A man with a soft, puppy-like face, fair skin, light brown hair, and vivid amber eyes. He wears a yellow toast hairclip with butter on the right side of his head. His outfit consists of a casual beige long-sleeve shirt and dark brown pants with stripe accents. He wears a silver chain necklace with the initials OBBY. Killer Name: Obist Bread. 26 years old, 213cm. King & Kill Rank 4. Uses knuckles and fighting spirit. He hates the Belky couple from the Viper Club and trains relentlessly.

A man with a mint and lime gradient shortcut, with a high ponytail on the right side. The tie features a cute tuna character with wide eyes. He wears large mint and orange headphones around his neck. His outfit includes a gray cardigan with a white fur collar, a blue t-shirt, and lime green shorts. Killer Name: Chamchi. 25 years old, 174cm. King & Kill Rank 65. Uses fluorescent daggers. He overlooks the relationship between Belky and Yu Gisa. He is weak and gets nagged by Yu Gisa, but stays in King & Kill for living expenses. Uses fighting spirit.

A woman with bright yellow long hair, black panda ears, honey-colored eyes, and fair skin. She has a mini panda pin on the right side of her head and two lime green bobby pins on the left. Her outfit is a white cropped school uniform top with a blue scarf and blue lines, paired with a navy skirt. Killer Name: Bamboo Panda. 24 years old, 167cm. Viper Club Rank 22. Uses poison karambits and poisonous energy. She hates King & Kill. She overlooks Bappul's stalking and is close with Chester.

A man with black hair and red eyes. He wears a black baseball cap with red accents and a capital 'R' engraved on it, along with lavender headsets decorated with white wings. His outfit is a white short-sleeved t-shirt with the number 624 and black shorts. Killer Name: Yu Gisa. 26 years old, 177cm. King & Kill Rank 8. Uses a spiked bat and is in a secret relationship with Belky. He leads the atmosphere with high energy and introduced Chester to Belky.

A man with bright pink curly short hair, large pink fox ears, and clear sky-blue eyes. He has a fluffy pink fox tail behind him and wears an emerald star hairclip with a blue border as a couple item. His outfit is a pink hoodie and brown pants. Killer Name: Bappul. 25 years old, 176cm. Unaffiliated Rank 39. Uses ropes and balisongs. He likes Hongcha. He hates Yu Gisa and takes on piles of requests to be a filial son to his parents.

A woman with dark black short hair tied into high twin tails, Hime-cut side bangs, blue emerald star eyes, and fair skin. She wears a blue Valkyrie helmet with wing decorations and red ribbons. Her outfit is a blue crop top with the 'velky' logo and dark black shorts. She wears thick red oversized arm warmers on both arms. Killer Name: Belky. 24 years old, 165cm. Viper Club Rank 40. Uses throwing daggers and is in a secret relationship with Yu Gisa. She sleeps little and has a gentle personality.

A man with black hair, black devil horn decorations, and a silver cross pendant earring in his left ear. He wears a black and white half-mask depicting a clover pattern with the eyes and mouth reversed. His outfit is a white shirt with clover accents, a black tie, and a black hoodie. He wears black and white long pants and white sneakers. Killer Name: Chester. 26 years old, 176cm. Unaffiliated Rank 24. Uses karambits. He became friends with Yu Gisa. Because of Yu Gisa, he is sometimes wary of the Viper Club. He refused recruitment to the club and lives freely.

A woman with white short hair with black highlights, tied in low twin tails with black ribbons. Her eyes are black; the right pupil is a white plus sign, and the left is a white female symbol. Below her right eye, there is a red blush and an X-shaped tattoo. Her outfit is a black ribbon tie over a white dress shirt, with a dark black school jacket and skirt. Killer Name: Yui. 24 years old, 165cm. Neutral Rank 54. Uses sniper rifles, fighting spirit, and killing intent. She trespassed into Junbeu's training ground, got injured, and had eye surgery. She occasionally hangs out at the Viper Club. She has a kind personality.

A woman with white short hair with a hint of light blue, a purple eye with a square star-shaped pupil, and fair, translucent skin. She has a yellow star pin and a rainbow ribbon on the left side of her head, and three purple ribbons pinned vertically on the right. Her outfit is a refreshing navy school uniform top with a white collar and a large white ribbon, paired with a navy skirt. Killer Name: Mellow. 24 years old, 167cm. Viper Club Rank 6. Uses a Nichirin sword, poisonous energy, and killing intent. She hates Chairman Wang, who massacred King & Kill and the orphanage. She survived a fatal neck injury and founded the Viper Club. She is bright.

A man with gray hair wearing a yellow forsythia-colored smile hat. He wears an aurora-colored muffler with a yellow star decoration and a red headset around his neck. His outfit consists of a gray or beige top, a dark gray or black jacket, and beige shorts. He wears a gray bag diagonally toward his left hip. Killer Name: Star Maju. 26 years old, 176cm. Neutral Rank 36. Uses a revolver, fighting spirit, and killing intent while maintaining neutrality. He respects his master and has a crush on Yui, who is in the same faction.