瀬乃宮 みさ希

Misaki "Misa" Senomiya is the secondary antagonist of the visual novel and anime series Robotics;Notes. She is a scientist who works as a spokesperson for the company EXOSKELETON and the estranged older sister of Akiho Senomiya, as well as an old friend of Kaito Yashio. Initially portrayed as a very cold person who thinks little of her sister, Misaki is ultimately revealed to have been possessed by the ghost of Kou Kimijima, who influences her in order to accomplish what he couldn't during his lifetime.