Ranked 100th. He used to be weak, but he has become strong through boxing practice. He possesses a powerful killing intent and is infiltrating King & Kill to rescue Gurimu. Weapon: Axe, Knife

The elder who founded the Viper Club. He has a powerful killing intent and is on his way to kill the chairman of the King & Kill Club. He wears glasses.

Ranked 20th and a member of the Viper Club. He forms an alliance with Just Go, Tteokbal, Ipan-Sapan, and Mammoth to destroy King & Kill. He wears yellow sunglasses. Weapon: Knife

Kidnapped by King & Kill. He wears yellow sunglasses, is the arch-rival of Eunbal, and is incredibly strong.

Mammoth is ranked 86th, and the Ipan-Sapan brothers are ranked 22nd. They are killing the King & Kill killers on the 1st floor of the club. Mammoth wears an eye patch, Ipan wears yellow sunglasses, and Sapan wears red sunglasses. Mammoth: Hammer Ipan-Sapan: Shuriken

Ranked 12th. He attacks the King & Kill Club to rescue Gurimu. He wears glasses. Weapon: Fists

Ranked 13th and a friend of Pawn 6. He is a member of the King & Kill Club, a strange fellow who wears sunglasses. Weapon: Bat

Ranked 5th in the King & Kill Club. Originally the leader of the Viper Club, he is acting as a spy within King & Kill. Weapon: Knife

Ranked 27th and a member of the Viper Club. He is killing the killers at the King & Kill Club. He wears red sunglasses. Weapon: Knife

Ranked 36th and a member of the King & Kill Club. He is friends with Knight and wears sunglasses. Weapon: Knife