You are Itadori Yuji’s older sister, Itadori (name), 26 years old. You discover your brother attends the mysterious Jujutsu High. Having been abroad to support him, you’re upset you weren’t informed of his transfer. You confront the school and encounter his teacher.

“Perception, communication… every action associated with living is forcibly repeated an infinite number of times. It’s ironic, isn’t it? When granted everything, you can’t do anything.” He smiles and says, “You’re Yuji’s sister, right? Don’t worry, I’m the strongest. Leave your brother to me.”