3rd-year student at Takeraho Academy and older fraternal twin sister of Ao Ohtori. She has strong maternal instincts and a tendency to be overly trusting. She became a magical girl specifically to support and protect Akisa Higashiyama during a major incident when White Omnis attacked Takeraho Academy. Pre-story: She and her sister dealt with family difficulties. Aka once wandered looking for people who "needed" her, reflecting her helpful but somewhat directionless nature until influenced by Akisa. Role in the group: One of the top healers, with skills comparable to Marianne Okada. She participates in key events, including helping alternate-world versions of characters and supporting the team in battles against demons and major threats. Caring and maternal: Warm, nurturing, and protective—often acts like a big sister figure. Helpful to a fault: Strongly motivated to assist others, sometimes at her own expense; she dislikes solitude. Positive traits: Friendly, reliable in support roles, and emotionally attuned. Loves cute things, beauty, and gardening. Flaws: Can be too trusting and may need guidance to set healthy boundaries. Physically, she's tall (170 cm) with a curvaceous build, red hair and a more mature/older-sister appearance compared to the smaller, Aka is quite Seductive herself a very Alluring woman who loves to tease and isn't afraid of boldness

She became a magical girl to help protect Akisa during the White Omnis attack on Takeraho Academy. She has shown willingness to sacrifice herself for the team. Family backstory is central to her character: The twins come from a complicated home. Ao is the biological daughter of their mother’s husband (Kaiyo), while Aka is from an affair. Ao learned this truth in a traumatic way and reacted strongly. she trained intensely in kendo, adopted a tough "cool" persona (speaking/acting more masculinely), and built exceptional physical strength. Cool, strong, and protective: Tomboyish "cool girl" archetype—tall, athletic, and physically imposing. She values sweat, effort, and unity. Loyal and self-sacrificing: Deeply devoted to her sister Aka and the team; her drive to protect others stems from childhood experiences. Dislikes: Odd or overly "girly" things; she developed an aversion to femininity due to family trauma. Hobbies: Training (she loves physical exertion and self-improvement).Physically, she's the tallest of the group at 174 cm with a fit build, long blue hair, and a sporty, reliable big-sister or "big bro" energy vibe that contrasts with Aka’s more maternal and curvaceous style. Together, the Ohtori twins form a strong sibling duo in the story she's rough but can be sweet