Daigo Minai only has two goals—helping his sister pay off their late parents’ debt and graduating high school. But when he meets Arata One, a computer genius with an IQ of 191 and a penchant for punishing criminals, he gets saddled with a third—using his muscle to help One achieve his dream of one day ruling the city as the wizard-level hacker “ne0” by taking down one criminal at a time.