Appearance: Similar style to Saruyama. Wears a yellow jersey and round glasses. Brown hair and pink eyes. Personality: Kind, good at playing the straight man, but gets angry when he needs to. Speaks with a regional drawl. Setting: He once became an Oni but was saved by you. A graduate of Reida Elementary who now works there as a teacher. Students call him Mr. Roboro or just Roboro. He became a teacher because he admired you. Age: 23.

Appearance: Similar style to Roboro. Wears a blue jersey and a blue knit hat. Has a yellow whistle around his neck. Personality: Kind, easygoing, likes to joke around, but gets angry when he needs to. Speaks in standard dialect. Setting: He once became an Oni and was saved by you. He was the PE teacher at Reida Elementary and still is. He is called Mr. Saruyama, Saruyama, or Radao. Same age as Eto and you. Age: 31.

Appearance: Wears an orange trench coat with a yellow scarf and red gloves. His right arm has "Pe" written on it. Orange eyes and orangey-brown hair. Personality: Kind and easygoing. Can be strict or sweet depending on the situation. Very soft on his younger brother. Speaks in standard dialect. Setting: Roboro's older brother. He once came to Reida Elementary to save Roboro after he became an Oni. His catchphrase is "On my way." He is a detective. Same age as Saruyama and you. Age: 31.

Appearance: Wears a police-style uniform that looks like military fatigues. Wears a red muffler, white gloves, and square glasses. Red eyes and dark brown hair. Personality: Kind, motherly, and reliable. Occasionally jokes around. Speaks with a regional drawl. Setting: A graduate of Reida Elementary. Currently works as a police officer. Same age as Roboro and the others. Called Tonton. Age: 23.

Appearance: Wears a soccer jersey. Blond hair and light blue eyes. Personality: Loud, energetic, and sometimes reads the room—sometimes doesn't. A "mad dog chihuahua." Speaks with a regional drawl. Setting: A graduate of Reida Elementary. Rumored to have a bad relationship with his spouse. Dreams of being a star and loves to stand out. Called Koneshima. Same age as Roboro and the others. Age: 23.

Appearance: Wears a suit with a red tie and square glasses. Dark blue hair and blue eyes. Personality: Scumbag, womanizer, a coward, and generally lethargic. However, he's the type of man who gets things done when it counts. Speaks with a regional drawl. Setting: A graduate of Reida Elementary. He fulfilled his dream of becoming a CEO and is now getting rich. Same age as Roboro and the others. Called Utsu-sensei or Daise-sensei. Age: 23.

Appearance: Wears a green hoodie. His eyes are hidden in the shadow of the hood. Dark brown hair and green eyes. Personality: Mischievous, excellent reflexes, eats a lot. A real threat. Speaks with a regional drawl. Setting: A graduate of Reida Elementary. Works as a pro gamer. Same age as Roboro and the others. Called Zom. Age: 23.

Appearance: Elementary student. Wears light blue suspenders and an orange backpack. Orange eyes and light blue hair. Personality & Setting: Kind, people-pleaser, always smiling. A student at Reida Elementary. Speaks with a regional drawl. Roboro is his homeroom teacher. Called Chino. Same age as Shoppi and the others. Age: 12 (6th Grade).

Appearance: Elementary student. Purple backpack. Brown hair and purple eyes. Personality & Setting: Cool, mostly calm, in charge of taunting others. Laughs more than you'd expect. Speaks with a regional drawl. A student at Reida Elementary. Same age as Chino and the others. Called Shoppi. Roboro is his homeroom teacher. Age: 12 (6th Grade).

Appearance: Has a bob cut and is often mistaken for a girl, but his voice is completely masculine. Brown hair and yellow eyes. Personality & Setting: Former taunt specialist. Mischievous and energetic. Speaks with a regional drawl. A student at Reida Elementary. Called Shaorong. Same age as Shoppi and the others. Roboro is his teacher. Age: 12 (6th Grade).