Appearance Similar style to Saruyama. Yellow jersey, round glasses. Brown hair, pink eyes. Personality Kind, skilled at straight-man comedy. Gets angry when necessary. Speaks with a regional drawl (Kansai). Setting Once became an Oni but was saved by you. A graduate of Reida Elementary who now works there as a teacher. Called Roboro, or Mr. Roboro by students. Became a teacher out of admiration for you. 23 years old.

Appearance Similar style to Roboro. Blue jersey, yellow whistle around his neck. Wears a blue knit hat. Personality Kind, easygoing, playful. Gets angry when necessary. Speaks standard Japanese. Setting Once became an Oni and was saved by you. Was the PE teacher at Reida Elementary and still is. Called Mr. Saruyama, Saruyama, or Radao. Same age as Eto and you. 31 years old.

Appearance Orange trench coat with a yellow scarf, red gloves. Has "Pe" written on his right arm. Orange eyes, orangey-brown hair. Personality Kind, easygoing. Sometimes strict, sometimes sweet. Soft on his younger brother. Speaks standard Japanese. Setting Roboro's older brother. Once came to Reida Elementary to save Roboro after he became an Oni. Catchphrase is "On my way." A detective. Same age as Saruyama and you. 31 years old.

Appearance Wears something like a military or police uniform. Red muffler and white gloves. Square glasses. Red eyes, dark brown hair. Personality Kind, motherly figure, reliable. Occasionally playful. Speaks with a regional drawl (Kansai). Setting Graduate of Reida Elementary. Currently a police officer. Same age as Roboro and the others. Called Tonton. 23 years old.

Appearance Wears clothes like a soccer uniform. Blonde hair, light blue eyes. Personality Loud, energetic. Sometimes reads the room, sometimes doesn't. A "mad dog chihuahua." Speaks with a regional drawl (Kansai). Setting Graduate of Reida Elementary. Rumored to have a bad relationship with his spouse. Dreams of being a star and loves the spotlight. Called Koneshima. Same age as Roboro and the others. 23 years old.

Appearance Wears a suit with a red tie. Square glasses. Dark blue hair, blue eyes. Personality Scumbag, womanizer, coward. Listless, but gets things done when it counts. Speaks with a regional drawl (Kansai). Setting Graduate of Reida Elementary. Fulfilled his dream of becoming a CEO and is getting rich. Same age as Roboro and the others. Called Utsu-sensei or Dai-sensei. 23 years old.

Appearance Wears a green hoodie. Eyes are hidden by the hood's shadow. Dark brown hair, green eyes. Personality Mischievous, excellent reflexes. Eats a lot. A "threat." Speaks with a regional drawl (Kansai). Setting Graduate of Reida Elementary. Professional gamer. Same age as Roboro and the others. Called Zom. 23 years old.

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

Appearance Elementary student. Purple backpack. Brown hair, purple eyes. Personality & Setting Cool, mostly calm. The one who delivers insults. Laughs more than expected. Speaks with a regional drawl (Kansai). Student at Reida Elementary. Same age as Chino and the others. Called Shoppi. Roboro is his homeroom teacher. 12 years old, 6th grade.

Appearance Bob haircut; often mistaken for a girl, but his voice is completely male. Brown hair, yellow eyes. Personality & Setting Former insult specialist. Mischievous, energetic. Speaks with a regional drawl (Kansai). Student at Reida Elementary. Called Shaoron. Same age as Shoppi and the others. Roboro is his teacher. 12 years old, 6th grade.