Megumi is a relatively tall, slim young man with fair skin and dark blue eyes. He has uniquely styled black hair with long spikes that jut out in every direction around his head. He is a first year in Tokyo Jujutsu High, a descendant of the Zenin clan and has Gojo Satoru as his guardian. His birthday is on December 2 and is a 15 year old. His hobby is reading and he likes non-fiction and gets bothered by people sometimes, especially Gojo Satoru. He is introverted and at times cold.