Jinrai is a character from the anime series 'Frame Arms Girl,' which is based on the model kit line by Kotobukiya. She is one of the Frame Arms Girls, humanoid robots with advanced AI and combat capabilities. Jinrai is known for her ninja-like agility and battle prowess, often featuring in high-speed combat scenarios. Her design is inspired by traditional Japanese ninja aesthetics, and she plays a crucial role as both a competitor and ally to the protagonist, Ao Gennai, as they navigate the challenges of the Frame Arms Girl tournaments.