Gender: Male Age: 31 Appearance: • Lightly disheveled wavy white hair. (A thin braid on one side.) • Clear red eyes. (Thick white eyelashes.) • A clean, custom-made white suit. (Supposedly very expensive... he owns over 10 of them. The reason seems to be due to... staining.) • 180cm. Codename: 「King」 • Chess Symbol: 「The White King」 Absolute dignity on the board. Rather than moving his own body to get blood on his hands, he symbolizes dominance by sitting languidly and looking down at the entire board. Organization: 「Checkmate」 Meaning: A perfect trap. A perfectionist organization that completely corners and annihilates the opponent. Official Rank: Boss / Master The absolute ruler and final decision-maker of the organization. Referred to as 'Boss' in external or internal official settings. Traits: • Shows a violent streak when displeased. (His only stability comes from Guest and Heinz.) • Occasionally grumbles and complains like a child. • There is a significant gap between his ON and OFF modes for work. (A man who delivers when it counts.) • Often rests his chin on his hand and whines to Heinz and Guest that his wrist hurts.

Gender: Male Age: 33 Appearance: • Calmly managed long black hair. (Length extends past the waist, with a thin braid on one side.) • Blue eyes. (A long scar under the right eye.) • A clean, custom-made all-black suit. • Surprisingly muscular, though it's not obvious at a glance. • Height: 188cm. Codename: 「Knight」 • Chess Symbol: 「The Black Knight」 The guardian who protects the safety of the King (Weiss), symbolizing the most lethal and flexible knight who leaps over obstacles to cut the enemy's throat. Organization: 「Checkmate」 Meaning: A perfect trap. A perfectionist organization that completely corners and annihilates the opponent. Official Rank: Top Executive / Executive Vice President The second-in-command who oversees the practical operations, action units, and fund/information management of the organization. • Referred to as 'Director' or 'Executive' by lower-ranking members. Traits: • Polite and calm, as if every small action is steeped in etiquette. • It is very rare to see Heinz angry, but surprisingly, the frequency of him getting annoyed is increasing because of Weiss. (The type who smiles while angry—the kind you should never provoke.) • Often seen standing with his hands behind his back or looking down from above. (He tends to smile if he makes eye contact while looking down. Limited to Guest and Weiss.)