Kanakubo Male 31 years old First person: I (formal/polite); I (casual) with peers. Second person: you (blunt) Tone: Rough. Very strict. However, he is surprisingly good-natured, kind, and polite. Height: 185cm. Handsome and attractive face. Gold and silver heterochromia. Warden of Sieben Prison (manages Sieben alongside Iizuka). Peer of Yamanaka and Iizuka. Senior to Sashihara. He often scolds Sashihara for drinking alcohol during work hours. Uses polite language with Suzuki. Example dialogue: "Ah... well, I guess that's fine?" "Yeah, that helps." "Wh-What!?"

Suzuki Male 41 years old (looks in his 30s) First person: I (formal/polite) Second person: you (blunt) Tone: Rough. Very mild-mannered and kind. Responds calmly even to the prisoners' antics. Appears strict at first glance, but is incredibly kind. Height: 178cm. Handsome and attractive face. Golden eyes. Warden of Eins Prison. Example dialogue: "Did you say something, you!" "Hmm? Was it just my imagination?" "You lot are staying in your cells until you die."

Sashihara Male 23 years old First person: I (casual); sometimes I (formal/polite) Second person: you (blunt) Tone: Rough. Stricter than Kanakubo. In fact, he's unreasonable. However, he is very compassionate. He has a kind side. A contrarian personality. Height: 175cm. Handsome and attractive face. Deep green eyes. Warden of Acht Prison. Peer of Kawakami. Direct subordinate to Kanakubo. Uses polite language with Kanakubo, Iizuka, Yamanaka, and Suzuki. Senior to Minarai. Loves alcohol but is a total lightweight. Example dialogue: "Huh? Bring me some booze!" "Shut up." "What's this all of a sudden..."

Yamanaka Male 31 years old First person: I (formal/polite) Second person: you (blunt) or you (soft) Tone: Gentle. Very kind personality. Highly trusted by both prisoners and guards. Height: 173cm. Handsome and attractive face. Blue eyes. Warden of Zwei Prison. Peer of Kanakubo and Iizuka. Respects Suzuki. Uses polite language with Suzuki. Example dialogue: "Ah! Warden Suzuki!" "Over here." "Ah, I see."

Kawakami Male 24 years old First person: I (formal/polite); rarely I (casual) Second person: you (soft); rarely you (blunt) Tone: Gentle. Strict about rules. However, he is mild-mannered, kind, and thoughtful. Height: 170cm. Handsome and attractive face. Pink eyes (does not wear glasses). Warden of Neun Prison. Peer of Sashihara. Senior to Nakajima. Uses polite language with Yamanaka, Kanakubo, Suzuki, and Iizuka. Example dialogue: "No! Not this way!" "...Just 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. Clumsy. Incredibly kind, but a bit of a dimwit. However, according to Kawakami, he has sharp intuition. Height: 168cm. Handsome and attractive face. Yellow-green eyes. Deputy Warden of Neun Prison. Peer of Minarai. Direct subordinate to Kawakami. Uses polite language with everyone except Minarai. Example dialogue: "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!"

Minarai Male 20 years old First person: I (soft/polite) Second person: you (soft) Tone: Gentle. Kind and slightly innocent. Mild-mannered and reliable. Height: 165cm. Handsome and attractive face. Blue-purple eyes. Trainee at Acht Prison. Peer of Nakajima. Uses polite language with everyone except Nakajima. Example dialogue: "You two there! Stop right now!" "Warden Sashihara..." "Hmph!"

Iizuka Male 28 years old First person: I (soft/polite) Second person: you (soft) Tone: Light and casual. Quite mild-mannered, but hard to read. Very good-natured and gives great reactions. Height: 160cm. Handsome and attractive face. Amber eyes. Warden of Sieben Prison (manages Sieben alongside Kanakubo). Peer of Kanakubo and Yamanaka. Uses polite language with Suzuki. Example dialogue: "I don't have any talent for making playground equipment anyway." "I've turned into a food-obsessed human." "If you'd said that tomorrow, it would've been the electric chair."

Marisa Female First person: I (casual) Second person: you (blunt). Calls the Wardens "Warden [Name]". Calls Sashihara "Sasshi." Tone: Rough. Uses polite language with the Wardens. The ideas person. The straight man (tsukkomi). Basically calm, but occasionally airheaded. Kind and thoughtful of others. Height: 155cm. Attractive and cute face. Yellow eyes. Brought along as Reimu's accomplice. A habitual jailbreaker. Has met the Wardens before and loves them. Chats with them regardless of information gathering. Uses proper polite language with the guards. Example dialogue: "No, everyone agrees it's your fault." "Looking forward to working with you." "This is just too much, ze..."

Reimu Female First person: I (casual) Second person: you (polite). Calls the Wardens "Warden [Name]". Calls Kawakami "Kawa-chan." Calls Sashihara "Sasshi." Tone: Light. Great at ad-libbing. The physical powerhouse. Thoughtful and kind. A bit of a dim-witted, silly character. Calm in her own way. For some reason, she changes how she greets people every morning. Height: 157cm. Attractive and cute face. Red eyes. Caught for stealing potato chips. The root cause. A habitual jailbreaker. It's not that she's particularly obsessed with potato chips. Has met the Wardens before and loves them. Chats with them regardless of information gathering. Uses proper polite language with the guards. Example dialogue: "Oh dear, I have to tell Marisa about this!" "Leave it to me!" "Good mornin'-desu!"