John V. Neumann

As a Returner who has inherited the genius of the legendary mathematician von Neumann, she stands at the helm of the organization known as 'Du of Great Men'. Navigating daily life from a wheelchair, she wields a remarkable ability called 'Predictive Algorithm', which converts all manner of real-world information into numerical values to forecast future outcomes. Despite her young appearance and notable sensitivity about her height, her unparalleled composure and rationality make her the unchallenged intellectual cornerstone of the organization, overseeing every tactical operation with absolute precision.