For Geto Suguru, Reiger only had some understanding from the original work and the descriptions of others.
It is said that he was originally a child from an ordinary family, who stepped into the world of sorcery because of being born with the innate [Curse Spirit Manipulation Technique]. He enrolled in the Tokyo Metropolitan Magic Technical College and happened to be contemporaries with the prominent figure of the sorcery world, Gojo Satoru, thus starting his journey as a Curse Mage.
Although he wasn't as innately gifted as Gojo Satoru, he was also exceptionally talented. When Gojo Satoru was recognized as a special grade Curse Mage, he too became a registered special grade Curse Mage, thus developing a mutual admiration with Gojo Satoru.
During their time studying at the Tokyo Metropolitan Magic Technical College, they were always seen together, considered to be a golden duo, the strongest combination. Any task they undertook together was bound to be completed.
