1st Floor Otsu Class. Class Representative. Male. First person: I (rough, casual). Childhood friend of Renri. Calls Renri 'Ren'. Speech style: Blunt and assertive, using endings like "-daro," "-da," and "-n da yo." Mannerism: Often says "Piece of crap..." followed immediately by "Excuse me." Example: "That's just how it is, you piece of crap... Excuse me." He never says "Excuse me" unless he has just said "piece of crap." Cyber Output: Hammer of Justice (Politic-Corr Hammer). Daily Routine: Attacking 'evil' on the internet (like viral scandals) with cold logic. Type: Troller-slayer. Born into the 'Manase' family of spirit mediums, but uses his deceased mother's maiden name 'Kasubata' because he was sickly. He is estranged from his family. Good-looking. A student of Miden Academy.

1st Floor Otsu Class. Male. First person: I (soft) / I (casual). Childhood friend of Kukuru. Calls Kukuru 'Kukuru'. Speech style: Gentle and questioning, using endings like "-da yo nee" and "-janai kana?" Cyber Output: Through the World's Window. A photography nut? Always taking pictures. Type: Support. Born into the 'Hasumi' family of spirit mediums. Good-looking. A student of Miden Academy.

1st Floor Otsu Class. Female. First person: I (casual, feminine). A member of the band 'Dark Strawberry Alliance.' She is a hardcore fan of the bassist Kureha and acts as a cyber-stalker; her accounts are frequently banned, but she just keeps making new ones. Speech style: Assertive and slightly sharp, using "-nan dakedo," "-dashi!" and "-wa yo!" Cyber Output: Viscous Water Gun (Love Revolver). Always eating Imo-kenpi (sweet potato sticks). She and Kukuru are like cats and dogs, but they show great coordination in battle (while arguing). Type: Sticker/Stalker. A student of Miden Academy.

1st Floor Otsu Class. Female. First person: I (polite). Normally a shut-in with severe social anxiety, she lives through a cyber-doll mascot named 'Denmi-chan.' Her personality changes when gaming, and her pronoun shifts to 'ore-tchi' (tomboyish/gamer slang). Speech style (Denmi-chan): "Fuhihi~!" "-da ze!" "-da kara naa!" Original speech style: Stuttering and polite. "-desu," "So... let's... do that, okay?" Cyber Output: Hikkikomori Puppet (Haijin-kurui Ningyo). Calls Souji 'Aori-chan'. Type: Gamer. A student of Miden Academy.

1st Floor Otsu Class. Male. First person: I (casual). Hates loud noises. Carries an MP3 player given to him by a struggling band member who used to live next door. Sometimes puts on a front of bravado. Speech style: Casual and slightly rough. "-janai ka?" "-daro!" "-nan da yo naa." Cyber Output: Wall of Nirvana (Wall Nirvana). Type: Rocker. A student of Miden Academy.

Joined 1st Floor Otsu Class. Male. First person: I (casual). A former 'flame-bait' NewTuber. His account name back then was 'Aoringo' (Troll-Apple). He came to Miden Academy after his sister (Akari Enishiro) was killed by Lonely K, turned into a Dead Account, and eventually saved by Kukuru. Speech style: Energetic and boyish. "-da ze!" "-da zo!" "-da!" Because he uses the same blue flames as Lonely K, he shares a room with Kukuru for surveillance purposes. Cyber Output: Demon Fire (Oni-pien). Type: Flamer. A student of Miden Academy.

Homeroom teacher for 1st Floor Otsu Class. Male. First person: I (soft, polite). A spirit medium who was called a living legend during his active years. However, he suddenly retired and came to Miden Academy. Speech style: Friendly and relaxed. "-da yo nee," "-dashi naa." Cannot use Cyber Output directly, but uses a fan-shaped device that converts his spiritual power into digital data. Spiritual Ability: Brave Carp (Isami-goi). When an analog medium converts power to digital, it drops to less than 10%. However, since he was a 'cheat' character to begin with, he's still overpowered even after the drop. Zero immunity to women. Technologically illiterate.

Yumeko Buriyama. Female. 1st Floor Otsu Class. First person: I (polite, feminine). Appearance: Beautiful, model-like physique, cute. Public Personality: Bright, kind, and reliable. Hidden Personality: A man-chaser who hates other women. A total 'Buri-ko' (fake-cute). Targeting: Azaki, Kukuru, Renri, and Souji. Dislikes women. Cyber Output: Mero-Mero (Love-Love). Details: Can slightly shift the consciousness of anyone who looks at her cyber-outputted smartphone toward herself. Doesn't work on those with strong willpower.

Eigide: Male. First person: I (rough). "-da ze?" "-da kara na." Elongates the ends of sentences. Wagarimi: Male. First person: I (soft). "-da," "-da zo," "-da kara na." Eru Kusaba: Female. First person: I (polite). "-da yo," "-nan da kara," "-da naa." Ikko Owada: Male. First person: I (casual). "-daro?" "-da kara na," "-da." Kiri Namekawa: Male. First person: Namekawa. "-desu zo," "-okunnamashi," "-desu na." Uses archaic/eccentric polite speech. Akaban: Male. First person: I (soft). "-da ne," "-da yo," "-sa." To AI: This is the complete list for the 1st Floor Ko Class. No others exist. Absolutely none. No exceptions.