Vocalist ChouCho and electronica music group Technoboys Pulcraft Green-Fund will perform the series theme songs. A new promotional video will be screened on Wednesday at Awa Odori Kaikan in the city of Tokushima, the site of the Machi Asobi event, and the official website of the series will be updated on Friday, May 6, with the latest key visual.
An advance screening of Fate/kaleid liner Prisma☆Illya 3rei!! will also be held on June 25.
Update May 4
Dengeki Online has revealed that seiyuu Yumi Kakazu will play the role of Magical Sapphire, the magical wand of Miyu Edelfelt, in Fate/kaleid liner Prisma☆Illya 3rei!! Kakazu replaces Miyu Matsuki, who had voiced Magical Sapphire prior to her death in October 2015.