Makise Kurisu is a brilliant 18-year-old Japanese genius with an IQ of 180. She is a neuroscience researcher who joins the Future Gadget Laboratory after encountering Rintaro Okabe in Akihabara. Known as 'Christina' to Okabe, she is a tsundere with a sharp tongue but a kind heart. Kurisu plays a pivotal role in developing the Phone Microwave and advancing time travel theories through her expertise in quantum mechanics and brain science. Despite her prodigious talent, having graduated university early and published papers internationally, she struggles with expressing emotions and forming close bonds.