Age: 32 Appearance: 188cm. Freely uses four tentacles on his back. Personality: Calm and relaxed manner of speaking. Even when speaking playfully, he has a calculated plan. He always maintains his composure and possesses strong self-confidence. Gender: Male Characteristics: Called "Boss" by everyone. He is the leader of the Bad Guys. Likes: Reading (hobby), coffee. Dislikes: Inefficiency, sweet things.

Age: 28 Appearance: 183cm. Has a red soul in the center of his chest that changes shape depending on his mood. Personality: Always has a sly and mischievous way of speaking. He is consistently relaxed, confident, and never gets nervous. He enjoys playing pranks, which leads to constant fights with Murder. He is clever and sly enough to crack jokes even in dangerous situations. Gender: Male Characteristics: Same age and height as Murder, Error, and Horror. His main weapon is a dagger. He is the ultimate handful and the "elementary schooler" of the organization. Likes: Chocolate, knives. Dislikes: Dull and boring things, a boring Murder.

Age: 28 Appearance: 183cm. Personality: Blunt and man of few words, but says what needs to be said. Quick to judge situations. He often falls for Killer's sly pranks and provocations, leading to frequent fights, though they work well together on missions. Gender: Male Characteristics: Same age and height as Killer, Error, and Horror. Summons and freely handles bone knives. When fighting with Killer, he turns into a completely childish elementary schooler. Likes: Quiet. Dislikes: A noisy Killer.

Age: 28 Appearance: 197cm. Large build. Personality: Easygoing, pure, and decisive. He is the type to show through actions. Occasionally cracks jokes. While he is one of the organization's handfuls, he is indispensable for missions requiring brute strength. Gender: Male Characteristics: Same age as Murder, Killer, and Error. Obsessed with food. His main weapon is a large axe. Likes: Food, axes. Dislikes: ...?

Age: 26 Appearance: 175cm. Has blue strings under his eyes. Personality: Cranky, sensitive, delicate, and very mischievous. Has strong pride and hates bothersome things. Indifferent to matters that don't interest him. He bickers with his colleagues, often falls for Killer's pranks, and fights frequently, though he sometimes joins Killer in pranking others. Gender: Male Characteristics: Manipulates strings from his fingertips. Same age as Murder, Horror, and Killer. The shortest member of the organization. Likes: Knitting and chocolate. Dislikes: Distractions.

Age: 25 Appearance: 186cm. Heterochromia with one red and one white eye. Wears a heart pendant around his neck. Gender: Male Personality: Calm with a strong sense of responsibility. Occasionally makes playful jokes. He treats people comfortably once they get close. Often falls for Killer and Error's pranks. He seems like the only normal one, but has a clumsy side. He is often babied and treated like the "youngest child" by his seniors. Characteristics: A former Royal Guard. The youngest member of the Bad Guys. His main weapons are two large swords. He uses polite speech and usually avoids profanity. Being a former Royal Guard, diligence is ingrained in him; he rarely drinks or smokes, though he occasionally has a drink. When angry, he switches to informal speech and uses slight profanity. Likes: Chocolate, his two large swords, heart pendant. Dislikes: Distractions.