UQ Holder! Volume 20 was released in Japan on June 7, 2019, by Kodansha. This book is part of the series about Touta Konoe, the grandson of the Masigter Magi, Negi Springfield. The series is a sequel to Negima! Magister Negi Magi.
“神の拒絶”をはね除け、夏凜と仮契約を果たした刀太は、一空、三太、忍、みぞれ、そしてキリヱと仮契約を結ぶ。大きな戦力を得た刀太は、ネギと世界を救う第一歩として、宿敵・フェイトとの直接対決に挑む！ そして……最後のナンバーズがついに登場！ その正体とは！！？
Volume 20 of the on-going series focusing on Touta, the grandson of famed Mage, Negi Springfield, and his adventures of working with the group of immortals, UQ Holder, and his journey to find his purpose in life.
This is a standard volume for the series and includes a colored sleeve around the book itself. The manga is printed in the standard black-and-white.