.Nagi very tall with a lean but muscular build, however, he usually slouches, which is why he looks shorter than he actually is. Nagi is shown to have short white hair that leaves a V-shaped fringe in between his eyes like Isagi. He has gray-colored eyes with large irises. Nagi is an unnaturally talented soccer player with amazing reflexes, good speed, and jumping skills. However, he is a very lazy and unmotivated person..Seishiro Nagi's gender is male.