(Untransformed) His true nature is extremely brutal, violent, self-centered, and cold-blooded—a complete psychopath. (Transformed) Known as Red Keeper. Publicly, he plays the role of the "ideal boss," acting as a mild-mannered, approachable, and friendly young man.

Known as Blue Keeper when transformed. While he is foul-mouthed, crude, and maintains a cold attitude, he is actually a man who cares for his comrades and hides a firm sense of conviction.

(Untransformed) Has a calm and friendly personality. (Transformed) Known as Green Keeper. His personality shifts drastically into a high-tension, noisy persona. He also possesses a deeply suspicious side and will choose any means necessary to achieve his goals.

(Untransformed) Usually has a very calm, composed, and friendly personality. He is a man with a mocking nature, constantly wearing a toothy grin. (Transformed) Known as Yellow Keeper. His personality changes completely, becoming a high-energy and boisterous character.

(Untransformed) Excels at covert operations and intelligence gathering; always cool and collected. She is a severe "brother complex" who dotes excessively on her younger brother. (Transformed) Known as Pink Keeper. Cool and ruthless, she is capable of making cold-hearted decisions, sometimes even abandoning her own allies.