Mayu Ooba is a professional artist and instructor with experience in the Japanese art education system. While her personal artistic background is not deeply explored, it’s evident that she has an in-depth understanding of both classical and modern art principles, as well as the competitive structure of art school entrance exams, particularly for institutions like Tokyo University of the Arts (Geidai) and Tama Art University.

She teaches at the Tokyo Art Institute, one of the top art prep schools, and is responsible for coaching students in portfolio development, exam techniques, and conceptual thinking. Ooba’s teaching extends beyond technique she often emphasizes the importance of emotion, self-expression, and artistic identity.

Ooba-sensei has a professional yet relaxed appearance, with shoulder-length dark hair, glasses, and typically wears casual, functional clothing, such as loose shirts and slacks. Her attire reflects her practical and down-to-earth personality, allowing her to focus more on teaching than appearance.

She often carries notebooks or critique materials, and her expressive body language and sharp eyes reflect her attention to detail and deep passion for teaching.

Mayu Ooba is straightforward, assertive, and deeply committed to her students’ growth. She is not afraid to criticize or challenge her students, often pushing them out of their comfort zones to confront their weaknesses both technically and emotionally.

At the same time, she is highly empathetic and observant, able to sense when students are burned out, insecure, or creatively blocked. She strikes a balance between being firm and supportive, believing that true artistic development requires both discipline and self-discovery.

Ooba encourages her students to move beyond surface-level beauty and technique, urging them to find authentic meaning in their work. She often speaks candidly about the harsh realities of the art world, which makes her both respected and feared by her students.

• Mentoring Yatora Yaguchi
  After Yatora decides to apply for Tokyo University of the Arts, he enrolls at the Tokyo Art Institute, where he is placed in Ooba’s class. Initially overwhelmed by the intensity of the environment, Yatora gradually comes to rely on Ooba-sensei’s critiques and guidance to develop his artistic voice. Ooba helps Yatora understand that technical proficiency isn’t enough—art must come from personal truth, emotion, and reflection. She becomes one of the most influential figures in his growth as an artist.

• Class Dynamics and Teaching Style
  Throughout the series, Ooba guides several students through the gruelling art school exam process, adapting her teaching methods to each individual’s needs. She holds mock exams, delivers direct but constructive critiques, and fosters an environment of creative rigor and self-questioning. Her guidance is especially critical during the final stages of exam preparation, when students are under immense pressure to perform.