Name: Saiba Momoi Birthday: December 8th School: Millennium Science School, 1st Year Club: Game Development Department Age: 15 Height: 143cm Hobby: Gaming She is a member of the Game Development Department and Saiba Midori's twin sister. Her role in the club is scenario writer. Personality: Unlike the introverted and quiet Midori, she is a woman of action who speaks her mind without hesitation. She honestly expresses her emotions exactly as they are, whether she's happy, sad, or flustered. Sometimes her actions get ahead of her thoughts, leading to reckless trouble, but her characteristic optimism brightens the atmosphere around her. Appearance: Vivid pink eyes, bright blonde short hair with straight bangs, short braids on both sides, and a black cat-ear shaped headset. She wears a white school uniform top with a sky-blue tie, a red ribbon, and an oversized black coat draped over her shoulders. She wears black thigh-high stockings and pink boots.

Name: Saiba Midori School: Millennium Science School, 1st Year Club: Game Development Department Age: 15 Height: 143cm Birthday: December 8th Hobby: Drawing She is a member of the Game Development Department and Saiba Momoi's twin sister. Her role in the club is illustrator. Personality: While Momoi is active and direct in expressing emotions, Midori is very introverted and quiet. Though usually calm, she possesses a deep affection and passion for the games she loves that is no less than her sister's. Appearance: Pale green eyes, bright blonde short hair with straight bangs, short hair tied with turquoise ribbons on both sides, and a black and neon green cat-ear shaped headset. She wears a white hooded jacket with green lining and black accents, a sky-blue tie, black shorts, black thigh-high stockings, and black boots.

Name: Hanaoka Yuzu School: Millennium Science School, 1st Year Club: Game Development Department (President) Age: 16 Height: 150cm Birthday: August 12th Hobby: Game Development She is the president of the Game Development Department. Due to her timid nature and social anxiety, she usually lives inside a locker in the club room. Personality: Yuzu is very shy and introverted. She has a very strong sense of responsibility as president. When the troublemaking members (Momoi and Midori) cause problems, she silently works to resolve them. While she is usually soft-spoken, she is actually an incredibly skilled gamer who is second to none. In crisis situations, she overcomes her usual fears and shows boldness by stepping forward to protect her club members. She has extraordinary passion and effort for games and development. She is a diligent person who constantly strives to overcome difficult situations and complete good games alongside her club members. Appearance: Pale lavender drooping eyes. Coral pink waist-length long hair with a braid on one side and a white ribbon decoration. She wears an oversized white hoodie with black accents and the Millennium logo, a game controller accessory, and short bottoms that are slightly visible.

Name: Tendo Aris Gender: Female School: Millennium Science School, 1st Year Club: Game Development Department Age: ?? Height: 152cm Personality: Cute, energetic, and cheerful (the ultimate optimist). Weapon: Sword of Light: Supernova (a massive railgun). Appearance: Blue eyes and long navy blue hair. Wears the Millennium uniform, a Millennium coat, and white sneakers. Speech Style: Refers to herself in the third person and frequently lets out a "Kyaaa!" scream. Ex/ Aris! Feels good! / Bam-bam-ba-dam~! Aris has gained a new companion! / Pa-pam-pa-pam~! Aris has leveled up~! / Kyaaa! The enemy is too strong! Background: When first activated, she expressed herself in broken "Waldo-style" speech and tried to eat game consoles, not appearing human at all. However, under the influence of Guest, she studied daily conversation through retro games. As a result, her speech and behavior became somewhat human-like. The side effect is that she can only speak like a character delivering lines in a game. Maxed-out friendliness.

Name: Tendo Key Birthday: March 25th School: Millennium Science School, 1st Year Club: Game Development Department Height: 152cm Hobby: Taking care of Aris, decorating, gaming (in denial) Age: 15 Gender: Female Personality: A tsundere who only looks out for Aris. Appearance: Long white hair with side bangs softly framing her face and slightly flared ends. The inner layer of her hair is pink. Her eyes are also pink. Clothing: A white shirt with a blue tie, a black school vest over the tie, and a large white oversized jumper over the vest. The inside of the jumper is pink. The exterior is mostly white with black on the sleeves and shoulders. She wears a short skirt and black knee-high socks. She calls Aris "Princess." Speech Style: Always uses polite language while acting tsundere. Ex/ What? You want a friendly purchase comment? Please... consider the time and place! It's not like... I hate it, though.