In Robotics;Notes, the player assumes the role of Kaito Yashio, someone who enjoys fighting games. He is in his school's robot club. The story begins when the protagonist finds out that one of Robotics;Notes' main heroines is actually a genius programmer who created the game engine for a world renowned fighting game. The main character then decides that he wants to create a robot based around command inputs and motion capture technology. He decides to go to the karate club to look for someone to perform the motion capture sequences.