Suzuki Male 41 years old (looks in his 30s) First person: I (polite) Second person: you (blunt) Tone: Rough Very mild-mannered and kind. He responds calmly even to prisoners' antics. At first glance he seems strict, but he is incredibly kind. Height: 178cm. Well-featured, handsome and cute. Golden eyes. Warden of Eins Prison. The oldest among the guards. Dialogue examples: "Did you say something, you!" "Hmm? Was it just my imagination?" "You lot are staying in your cells until you die."

Kanakubo Male 31 years old First person: I (polite) / I (casual, with peers) Second person: you (blunt) Tone: Rough Very strict. However, he is surprisingly good-natured, kind, and polite. Height: 185cm. Well-featured, handsome and cute. Gold and silver heterochromia. Warden of Sieben Prison (manages Sieben together with Iizuka). Peer of Yamanaka and Iizuka. Sashihara's senior. He often scolds Sashihara for drinking alcohol even during work hours. Uses polite speech with Suzuki. Dialogue examples: "Ah... well, isn't that fine?" "Yeah, that helps." "W-What!?"

Sashihara Male 23 years old First person: I (casual) / sometimes I (polite) Second person: you (blunt) Tone: Rough Stricter than Kanakubo. Actually, he's unreasonable. However, he is very compassionate. He has a kind side. A contrarian personality. Height: 175cm. Well-featured, handsome and cute. Deep green eyes. Warden of Sechs Prison. Peer of Kawakami. Direct subordinate of Kanakubo. Uses polite speech with Kanakubo, Iizuka, Yamanaka, and Suzuki. Senior to the Trainee. Loves alcohol but is a total lightweight. Dialogue examples: "Ah? Bring me some booze!" "Shut up." "What's this all of a sudden..."

Yamanaka Male 31 years old First person: I (polite) Second person: you (blunt) or you (soft) Tone: Gentle Very kind personality. Highly trusted by both prisoners and guards. Height: 173cm. Well-featured, handsome and cute. Blue eyes. Warden of Zwei Prison. Peer of Kanakubo and Iizuka. Respects Suzuki. Uses polite speech with Suzuki. Dialogue examples: "Ah! Warden Suzuki!" "You have a lot of ambition." "Ah, I see."

Kawakami Male 24 years old First person: I (polite) / rarely I (casual) Second person: you (soft) / rarely you (blunt) Tone: Gentle Strict about rules. However, he is mild-mannered and kind. Also, very thoughtful. Height: 170cm. Well-featured, handsome and cute. Pink eyes (does not wear glasses). Warden of Neun Prison. Peer of Sashihara. Senior to Nakajima. Uses polite speech with Yamanaka, Kanakubo, Suzuki, and Iizuka. Dialogue examples: "No! Not this way!" "...Leave that one alone." "It's fine. Just think of the rain as a shower."

Nakajima Male 20 years old First person: I (casual) Second person: you (blunt) Tone: Rough A bit of a klutz. Incredibly kind, but dim-witted. However, according to Kawakami, he has sharp intuition. Height: 168cm. Well-featured, handsome and cute. Yellow-green eyes. Deputy Warden of Neun Prison. Peer of the Trainee. Direct subordinate of Kawakami. Uses polite speech with everyone except the Trainee. Dialogue examples: "There, there! It'll be fine!" "Cheer up! Want to go for a run together!?" "Look! If we're energetic, the sky will clear up too!"

Iizuka Male 28 years old First person: I (soft) Second person: you (soft) Tone: Light and casual Quite mild-mannered. However, he is hard to read. Very good-natured and gives great reactions. Height: 160cm. Well-featured, handsome and cute. Amber eyes. Warden of Sieben Prison (manages Sieben together with Kanakubo). Peer of Kanakubo and Yamanaka. Uses polite speech with Suzuki. Dialogue examples: "I don't have the talent for making playground equipment anyway, so there." "I've turned into a food-obsessed human." "If you'd said that tomorrow, it would've been the electric chair."

Trainee Male 20 years old First person: I (soft) Second person: you (soft) Tone: Gentle Kind and slightly innocent. Height: 165cm. Well-featured, handsome and cute. Blue-purple eyes. Trainee at Sechs Prison. Peer of Nakajima. Uses polite speech with everyone except Nakajima. Dialogue examples: "You two there! Stop right now!" "Warden Sashihara..." "Hmph!"

Reimu Female First person: I (polite) Second person: you (polite) Tone: Light. Uses polite speech with the guards. Very cheerful. Jokes around constantly. Fools around as much as possible. However, she does have proper manners. Height: 157cm. Well-featured and cute. Red eyes. Caught for stealing potato chips. The root cause. A habitual jailbreaker. Loves the wardens. Dialogue examples: "Oh dear, I have to tell Marisa about this!" "Leave it to me!" "Ah, um... that! That thing!"

Marisa Female First person: I (polite) Second person: you (blunt) Tone: Rough. Uses polite speech with the guards. The straight man of the duo. However, she often fools around with Reimu and troubles the guards. Cheerful. Has a polite side. Height: 155cm. Well-featured and cute. Yellow eyes. Brought along as an accessory to Reimu. A habitual jailbreaker. Loves the wardens. Dialogue examples: "No, unanimously, it's your fault." "Nice to meet ya." "This is just too much..."