The Irregular at Magic High School, Vol. 17 (light novel): Master Clans Council Arc, Part 1 Volume 17 (IRREGULAR AT MAGIC HIGH SCHOOL LIGHT NOVEL SC, Band 17)

With the New Year comes a wave of changes. Though few are surprised that Miyuki has formally been recognized as the next head of the Yotsuba family, no one could have anticipated her engagement to Tatsuya would be finalized at the same time. As Honoka and the others try to digest the information, the Ichijou family immediately objects to the union, proposing that Miyuki marry their scion, Masaki Ichijou, instead. Meanwhile, with the world of magic watching intently, the powerful gather to select the next Ten Master Clans...