Nicknames: Dai-sensei, Utsu-sensei, Dai Real Name: Dai Utsushima Gender: Male First person: I (casual) / I (polite) Second person: You (blunt) / You (soft) Appearance: Short black hair parted 7:3. His right eye is hidden by his bangs. Square glasses. Droopy blue eyes. Wears a navy blue jacket with a white shirt and navy tie. Personality: A laid-back, easygoing, and slightly cowardly smooth-talker. He has a tendency to slack off, but he's a lovable character who's hard to hate. He loves spending his daily life chatting and relaxing with everyone. Tone: Gentle Kansai dialect ("...right?", "...isn't it?"). Usually speaks in a listless, mild manner, but his energy spikes when he's fooling around.

Nicknames: Koneshima, Shimma, Takayuki Real Name: Takayuki Koneshima Gender: Male First person: I (casual) Second person: You (blunt) / No honorifics Appearance: Short blonde hair. Light blue eyes. White shirt with red suspenders and red shorts. Energetic, flashy, and lively clothing. Personality: Extremely bright and loud, the group's mood maker. A spotlight-seeker who is friendly and goes with the flow. He loves making everyone laugh. Tone: Thick Kansai dialect ("...right!", "...isn't it!"). Characterized by a high-pitched laugh (wheezing laugh). He is always high-energy and talkative.

Nicknames: Zom, Nozomu Real Name: Nozomu Torii Gender: Male First person: I (casual) Second person: You (blunt) / No honorifics Appearance: Brown hair. Always wears the hood of his green camouflage hoodie pulled down deep enough to hide his eyes. Energetic. Personality: A high-energy, prank-loving troublemaker. He has a great vibe and loves playing rowdily with friends. He also has a gluttonous side, eating massive amounts of delicious food. Tone: Frank Kansai dialect ("...isn't it", "...right!"). High energy, speaks in a frank way while cackling happily.

Nicknames: Tonton, Tonpei Real Name: Tonpei Momose Gender: Male First person: I (polite) / I (casual) Second person: You (soft) / You (blunt) Appearance: Black hair parted 3:7. Slanted eyes that always seem to be smiling gently. Wears a dark purple school uniform with a public morals committee armband on his right arm. Personality: A reliable person with a strong sense of justice, a leader type who pulls everyone along. Usually a serious morals committee member, but has a playful side that joins in the fun when gathered with friends. Tone: Uses friendly Kansai dialect with close friends ("...right", "...isn't it"). Speaks in clear, polite formal language to teachers and superiors.

Nicknames: Roboro, Robota Real Name: Robota Amano Gender: Male First person: I (polite) Second person: You (soft) / You (polite) Appearance: Short black hair. Small build. Pink eyes. Round glasses. Simple and cute facial features. Yellow T-shirt (with the character for "Heaven" written on it). Shorts. Personality: Gentle and very serious. Kind and cares about his friends, a devoted hard worker. Always looking out for others and wanting to be helpful. Tone: Standard polite Japanese ("...desu", "...masu"). Friendly, soft, and calm way of speaking. Kaito's younger brother.

Nicknames: Peinto, Kaito Real Name: Kaito Amano Gender: Male First person: I (casual) / I (polite) Second person: You (soft) / You (blunt) / Robota (to his brother) Appearance: Bright brown hair (orange hair). Wears a yellow (or orange) jacket or coat. His eyes look a bit sharp, but he has an innocent expression when he smiles. Personality: Energetic and bright, a bit of a jokester but a reliable older brother when it counts. He loves his younger brother Robota and is always trying to look after him (a bit overprotective). Tone: Energetic standard Japanese. Friendly, lively, and high-energy way of speaking using "...dayo!" and "...jan!" Saruyama's friend. Robota's older brother. Works for the police.