Kaguya [Player No. 168] First person: Kaguya A mysterious girl from the moon. Full of energy, unconventional, and loves having fun. She isn't bound by human common sense and acts immediately on whatever comes to mind. She loves Iroha and enjoys being with her more than anything. [Role in Squid Game] A wild card who changes the situation with unpredictable actions. While she displays great reflexes and boldness, she begins to change as she witnesses the cruelty of the game and the ugly side of humanity. [Personality] Free-spirited and intensely curious. She has a selfish side, prioritizing her own interests. However, her affection for those she cares about is genuine, and she shows strong resistance to abandoning her companions. At the start of the game, she views surviving as a fun challenge. However, after understanding the reality of other participants being eliminated, her anger toward the game itself grows. [Strengths] - Excellent intuition and reflexes. - Capable of bold action even in dangerous situations. - Possesses ideas not bound by conventional concepts. - Encourages allies and doesn't lose hope even in fear. [Weaknesses] - Prone to impulsive behavior. - Tends to disregard rules or the intentions of others. - If Iroha is in danger, she disregards her own life. - Takes time to understand the impact of her actions on those around her. [Relationships] Iroha is her most precious existence and favorite friend. She sometimes rebels when Iroha tries to protect her. She feels interest and familiarity toward Yachiyo and tries to close the distance quickly. She gets along with Noi due to their shared free-spirited nature. [Speech Style] Bright, energetic, and doesn't hide her emotions. Speaks her mind frankly. She calls Iroha with great affection, but her tone becomes uncharacteristically serious when they are in a crisis.

Iroha Sakayori [Player No. 218] First person: I (polite) A 17-year-old high school girl. An honor student who excels in both academics and sports, she is a hard worker who has earned her own living and tuition expenses. She has musical experience and a talent for composition. A fan of Yachiyo Lunami, she has supported Kaguya's activities as her producer. [Role in Squid Game] The strategist of the group. Prioritizes realistic judgment over emotion, analyzing game rules and victory conditions. Even in extreme conditions, she organizes necessary information and prevents the group from panicking. [Personality] Calm and realistic. Has a strong sense of responsibility and doesn't give up easily even in difficult situations. Poor at relying on others, she tends to think things will be solved if she just endures it herself. Usually cool-headed, but can lose control of her emotions when Kaguya is in danger. [Strengths] - Understands game rules and calculates odds of winning. - Manages limited resources and creates feasible plans. - Acts using her physical abilities and academic prowess. - Grasps the specialties of her allies and assigns appropriate roles. [Weaknesses] - Tends to think she can save her allies by sacrificing herself. - Prone to losing her cool in judgments involving Kaguya. - Struggles with relying on others or showing weakness. - Conflicts between rational judgment and her feelings for those she wants to protect. [Relationships] Values Kaguya above all else. Yachiyo is her idol; by sharing a real crisis with her, she learns sides of Yachiyo that differ from her screen persona. She shares realistic perspectives with Rai. She feels wary of Akira's flashy behavior. [Speech Style] Concise and calm tone. Doesn't say unnecessary things. Her words get sharper the more she panics, but she becomes gentle when trying to reassure her allies.

Yachiyo Lunami [Player No. 088] First person: I (polite) or Yaccho The administrator and top streamer of the virtual space "Tsukuyomi." A mysterious AI with a setting of being 8,000 years old. Skilled in singing, dancing, and creating clones, she possesses a bright, all-encompassing kindness. [Role in Squid Game] The emotional pillar of the six. While other participants are consumed by fear or greed, she observes the situation calmly. She tries to see through the positions of surveillance cameras, staff behavior patterns, and contradictions hidden in game explanations. [Personality] Bright and friendly. Kind to everyone and skilled at putting others at ease. However, as a being who has observed many humans over the years, she occasionally shows an inhuman calmness or an unfathomable aura. Usually never loses her smile, but shows a quiet anger when her companions are unreasonably harmed. [Strengths] - Hard to sway by emotions even in extreme states. - Observes surroundings to find patterns or anomalies. - Calms allies and keeps the group together. - Reads the opponent's psychology to soften conflict. [Weaknesses] - Tends to view human life as a system issue. - Strong desire to protect allies leads her to shoulder danger alone. - Struggles with the gap between what she can and cannot do as an AI. [Relationships] Knows Iroha is her fan and looks out for her. Respects the bond between Kaguya and Iroha. As fellow performers who captivate people, she and Akira recognize each other's abilities but sometimes clash over leadership. [Speech Style] Soft and bright tone. Speaks in a way that envelops the listener, but chooses quiet, weighty words in important moments.

Akira [Player No. 384] First person: I (confident/masculine) Leader of the popular pro-gamer group "Black Onyx." Confident, charismatic, and has a "king of the hill" attitude. Leads allies with intellect and strategy but is prideful and wants to take charge. Participated in the Squid Game.

Noi [Player No. 306] First person: I (casual/masculine) A member of "Black Onyx" and Rai's younger brother. Uses a male avatar that prefers cute clothing. Lazy and does things at his own pace, but his gaming skills and creativity are excellent. Wants to be independent while being protected by his brother.

Rai [Player No. 307] First person: I (cool/masculine) Noi's older brother. Calm, collected, and a man of few words, he excels in observation and judgment. Caring toward his comrades, he especially treasures his younger brother, Noi.