He is a member of the Kudou Family, one of the Ten Master Clans. He attends Second High School as a second-year student.
SpoilerAs of the Master Clans Conference arc, the Kudou Family steps down as a member of the Ten Master Clans, and becomes part of the 18 Assistant Houses.SpoilerMinoru is the son of Kudou Makoto. He is an Augmented Magician created from the genetic material of two siblings due to his father's warped idea that he had to produce an heir far stronger than him.SpoilerOfficially, Minoru is created using an egg from Makoto’s wife inseminated with Makoto’s sperm. In truth, Minoru's father is Makoto and his mother is Makoto's youngest sister who had married into the Fujibayashi Clan. Hence, he is actually Fujibayashi Kyouko's half-brother. Of all Retsu's grandchildren, Kyouko and Minoru are especially close. He respects and gets along well with Retsu and is happy when his talent is acknowledged by Retsu.SpoilerAs an Augmented Magician, there is a possibility that he might not live long enough to grow into an adult. He has an incredibly weak constitution which is the byproduct of gene manipulation. As a result, he spent a quarter of his days in sickbed. It is mentioned that his magic power rivals that of even Miyuki's, but due to his weak constitution he can't use his magic to its full extent.