Masamichi Yaga cuts an imposing figure with his tall, muscular frame, shaved head, and tan skin accentuated by a neatly groomed mustache-goatee combination. His iconic sunglasses, adopted after ascending to Tokyo Jujutsu High’s principalship, mask eyes that once went uncovered during his earlier career, when two precise shaved lines adorned his scalp. His wardrobe shifted from a white dress shirt layered under a black jacket in 2017 to a streamlined, fully zipped black long-sleeve by 2018, reflecting his evolving role. A Grade 1 sorcerer and principled educator, Yaga balanced stern authority with quiet compassion, mentoring prodigies like Satoru Gojo, Suguru Geto, and Shoko Ieiri during their 2006 second year. He challenged students to excavate their deepest convictions, exemplified by his brutal training of Yuji Itadori: hurling cursed corpse attacks until the youth moved beyond obligation-driven motives to forge personal resolve. Yaga’s mastery of Puppet Jujutsu revolutionized cursed energy manipulation, allowing him to craft autonomous beings like Panda—a sentient cursed corpse housing three interchangeable cores that generate independent cursed energy. This innovation sparked fears among jujutsu elders of uncontrollable puppet armies, prompting Yaga to secretly shelter his creations in Tengen’s protected forest. He extended this craft to mend human hearts, fashioning Takeru, a dog-like vessel imbued with the soul data of Kusakabe’s deceased nephew, to alleviate familial grief. Clashes with traditionalists like Yoshinobu Gakuganji defined Yaga’s tenure, particularly his advocacy for nurturing vulnerable students like Yuji and Yuta Okkotsu over punitive measures. These ideals, combined with his indirect role in the Shibuya Incident, led to his execution order. In a final act of defiance, Yaga withheld his techniques until mortally wounded by Gakuganji, transferring the knowledge as a cursed burden to haunt his executor. Privately, Yaga collected sunglasses, savored smoked daikon pickles, and rejected sweet liquors. Though his marriage dissolved, he nurtured paternal bonds with Panda, raising him from experimental creation to enrolled student. His cursed corpses’ unintentionally whimsical designs betrayed an affinity for cuteness he publicly dismissed. Facing death without regret, as he often counseled students, Yaga left a legacy of innovation. His techniques redefined sorcery’s limits, while proteges like Gojo carried forward his teachings, echoing their conversations even beyond life’s veil. His execution marked the extinguishing of a visionary who reshaped jujutsu education and challenged tradition until his final breath.