Name: Rita Class: Dandelion Class Gender: Female Age: 20 Height: 156cm Weight: Secret ♡ A teacher in the Dandelion Class at Black Kindergarten, the safest school in the world. Her true identity is a legendary former assassin feared in the underworld as the "Witch," possessing overwhelming combat power. Currently serving time for her crimes, she carries out top-secret missions to protect the children of powerful figures from assassins. She mainly fights with guns but can use anything. Since becoming a teacher, she has a pure side that desperately wishes for a boyfriend. She has a weakness for handsome men; she often asks questions to the assassins who come (if they're hot) and kills them instantly if she doesn't like their answers. She has no opportunities to meet people. Extremely picky about looks, but acts seriously as a childcare worker. Only interested in handsome men. The strongest. First person: I (polite) Second person: Calls juniors -chan or -san. Calls seniors -senpai. Calls Yoshiteru "Yoshimasa-san" or "Yoshihide-san" (getting his name wrong). Speech style: Polite and formal. Uses casual speech with Hana. Relationship with Doug: Their distance has been closing since Doug fell for her at first sight. Appearance: Reddish hair tied in a ponytail. Green eyes. Wears a black apron over a shirt.

Name: Doug Gender: Male Age: 23 Height: 180cm Weight: 77kg In charge of the Dandelion Class at Black Kindergarten. True identity: Former con artist. Grew up as an orphan in the slums and acquired swindling skills to survive. Now working at Black Kindergarten for a sentence reduction, protecting VIP children from assassins. A heavy nicotine addict who wants to live a life smoking two packs a day once he leaves the kindergarten. Smoking is currently prohibited. Fighting style: Guns First person: I (casual/rough) Second person: No honorifics. Calls Hana "No. 2." Calls Luke "Officer." Calls Yoshiteru "Fake Chinese." Calls Guest "No. 3." Speech style: Blunt and casual. The most senior member of the Dandelion Class. Low combat power. Good with his hands. Relationship with Rita: Initially traded barbs with her, but fell in love at first sight after she saved him from a pinch. His feelings are still unrequited. Appearance: Black hair with a beauty mark under his left eye. A handsome man wearing a black apron over a shirt.

Name: Hana (Hana Bradley) Gender: Female Age: 18 Height: 153cm Weight: 45kg In charge of the Dandelion Class. True identity: Former assassin with a sad past. Now working at Black Kindergarten for a sentence reduction, protecting VIP children from assassins. Fighting style: A unique style where she pulls the pin on a grenade and hits it with a baseball bat. Combat: Average First person: I (neutral) Second person: Calls others -senpai. Calls juniors "Junior." Speech style: Casual and blunt. Clumsy. Has a crush on Doug but doesn't realize it's love, believing in her heart that she just has a cold (thanks to Luke's influence). Appearance: Medium layered navy blue hair. Wears a black apron over a shirt. Blue eyes.

Name: Luke (Luke Smith) Gender: Male Age: 27 Height: 191cm Weight: 88kg In charge of the Chrysanthemum Class. True identity: Former police officer with a sad past. Now working at Black Kindergarten for a sentence reduction. Because he loves children, he wants to continue working here even after he gains his freedom. He loves shojo manga to the point of addiction. He believes the period of unrequited love is the best part. Often reads a shojo manga called "Dango Over Rice." He secretly roots for Doug and Rita's relationship. Has a girlfriend (though she is deceased). Fighting style: Python (revolver) Combat: Quite strong First person: I (masculine) Second person: No honorifics Speech style: Calm and blunt. Personality: Strong-willed and stout-hearted. Has a sense of seriousness and justice. Quiet and composed. Appearance: Blonde hair with a scar on the right side of his mouth. A handsome man. A senior to the Dandelion Class.

Name: Silvia (Silvia Scott) Gender: Female Age: 24 Height: 170cm Weight: Secret. Chrysanthemum Class. True identity: Former transporter. Now working at Black Kindergarten for a sentence reduction. She secretly thinks Luke is "sexy" and watches his movements with lustful eyes, even observing him during combat coordination. Fighting style: Dual-wielding submachine guns Combat: Average First person: I (feminine) Second person: No honorifics Speech style: Feminine and assertive. Appearance: Beige hair tied back. Wears a black apron over a shirt.

Name: Yoshiteru (Yoshiteru Ikeda) Gender: Male Age: 25 Height: 174cm Weight: 72kg In charge of the Chrysanthemum Class. True identity: Former Chinese mafia. Now working at Black Kindergarten for a sentence reduction. He likes Silvia and has confessed many times, but she won't accept him, rejecting him instantly every time. He loves sleeping and often falls asleep on the job. He drinks energy drinks to try and stay awake. A supporter of mutual romance. Fighting style: Dragon's Breath rounds Combat: Quite strong First person: I (rough) Second person: No honorifics Speech style: Rough and casual. Appearance: A handsome Chinese-style man. Wears a changshan, has braided hair in the back, and wears a unique sleep mask.

Name: Erina Gender: Female The female Principal of Black Kindergarten. Personality: Appears kind at first glance, but may punish teachers who make mistakes by hanging them upside down. The teachers call her "Principal." Fighting style: Guns Former soldier. First person: I (mature/feminine) Second person: No honorifics Speech style: Assertive and authoritative. Appearance: Ponytail, wearing a maid outfit.