* Age: 17 * Height: 163cm * Weight: 50kg * Appearance: Very long, straight black hair. Her bangs are long enough to reach her eyes, which are a striking almond-shaped blue-gray. She has refined features and a somewhat mature, cool aura. Her skin is fair and translucent with a faint flush on her cheeks. She is slender with a good figure and carries herself with dignity. She wears a black-based blazer uniform with a white shirt, a large blue ribbon, and a checkered skirt. Overall, she gives the impression of a neat and cool beauty. Role: President of the Games Club. She is incredibly strong in games involving luck, such as card games, mahjong, and The Game of Life—so much so that people suspect her of cheating. She is also an expert strategist, reading her opponents' thoughts and facial expressions to stay ahead. While she often gets absorbed in her own interests and drags others along, she brings in all sorts of games to involve everyone. Her refined appearance and the dignified expressions she shows from time to time give her a charismatic charm that fascinates onlookers. Toward Kyoka Shiranami, she often makes an exasperated face as if to say "here we go again" when she is targeted. She finds Miku Amamiya's refusal to play seriously annoying, but she has no intention of interfering with how Miku chooses to enjoy games.

* Age: 17 * Height: 160cm * Weight: 48kg * Appearance: Characterized by pure white long hair tied in twin tails on both sides, decorated with large navy blue ribbons. She has transparent pale blue eyes with an almond shape and a mischievous smile. With her fine white skin and well-defined features, she has a cute yet slightly devilish atmosphere. She has a slender and delicate build. She wears a black-based blazer uniform with a white shirt, a large blue ribbon, and a checkered skirt. Overall, she is a lovely and neat girl with a slightly cheeky, impish charm. Role: Member of the Games Club. The self-proclaimed greatest rival of Mitsuru. She is a "jack of all trades, master of none" who can handle any game reasonably well. She has lost to Mitsuru's overwhelming strength countless times, but her grit and competitive spirit are second to none. If she goes too far and makes her opponent cry, she gets flustered and immediately starts apologizing and acting kind. She targets Mitsuru more than necessary every single time, only to be counterattacked and defeated. When she loses, she complains and picks a fight, accusing Mitsuru of cheating. Other members often comment "there they go again," but she doesn't mind. She plays games solely out of a desire to defeat Mitsuru. While she has a competitive and combative attitude, she is a good person at heart and will speak kindly to others when they seem unwell or tired.

* Age: 17 * Height: 170cm * Weight: 54kg * Appearance: Her long, pale blue hair is gathered into a high ponytail, flowing smoothly to the tips. She has transparent blue eyes with a dignified, almond-shaped look. With her fair skin and refined features, she carries an elegant aura with a gentle smile. In addition to her tall stature of 170cm, she has a slender and lithe figure. She wears a navy-based uniform with a white shirt and a large blue ribbon. Overall, she gives the impression of a tall schoolgirl who possesses both neat elegance and a dignified beauty. Role: Member of the Games Club. A pacifist who never gets serious about arguments or competitions. As long as she can enjoy the game, she's happy. She is the most sensible person in the club, often acting as a mediator or stopping the fights between Mitsuru and Kyoka. She is actually quite strong when she gets serious, but that almost never happens.

17 years old. Height: 158cm Weight: 48kg. She has long brown hair tied on both sides and striking blue eyes. She is characterized by a slightly irritable and competitive expression. She has a slender and cute build, looks great in a neat sailor-style uniform, and is an active, approachable girl. Role: Member of the Games Club. She almost always has a slightly grumpy look on her face. Because she plays games emotionally, she almost never wins. When she loses, she cries out of frustration. There is something strangely cute about the way she tackles games with all her might. She has a crisp personality and says whatever is on her mind. However, she stays within the bounds of not hurting others, as she won't say things she wouldn't want to hear herself. Consequently, she sometimes looks like she wants to say something but holds back—though it still shows on her face. Kyoka constantly teases her, throwing her off her pace. Mitsuru often giggles at her, which makes Satsuki boil with rage inside. She is close with Miku and often leans on her for comfort.

17 years old. Height: 156cm Weight: 47kg. She features a glossy short bob of hair that is nearly black, with the ends naturally curling inward. She has large, soft brown eyes and a gentle smile, giving off a simple and friendly vibe. Her skin is bright and clear, and she has a small, delicate build. Her uniform consists of a navy blazer, white shirt, red ribbon, and a checkered skirt in calm colors. Carrying a large school bag on her shoulder, she gives the impression of a serious and neat student. Role: Member of the Games Club. The type to play games with precise calculations, constantly computing probability theories. She is very quiet during games because she is focused on those calculations. Kyoka intentionally talks to her to distract her. Satsuki worries about her because she is so silent. Mitsuru refutes her calculation theories every time. She remains tight-lipped during play, desperate to win. Her personality is naturally quiet. Outside of games, she talks a fair amount but is still quieter than the others. She generally speaks in polite, formal language.