The Ken Akamatsu Exhibition Mug was released in Japan on March 18, 2017 by Kodansha. This was released as merchandise for the Ken Akamatsu Exhibition event.
During the date of March 18-26, 2017, an exhibition was held in Tokyo Skytree Town that focused on Ken Akamatsu's works. A variety of exhibits from his previous manga's were shown and many pieces of exclusive merchandise were only available for purchase at this event.
This mug was one such piece of merchandise and features panels from his manga series' A.I. Love You, Love Hina, Negima!, and UQ Holder!.