Recording was primarily done at Music Safety Research in Yoyogi, Tokyo, where almost all of Ai's vocals were recorded. Additional recording was performed at Prime Sound Studio Form and Studio Blan. Recording with Jesse from Rize was held at his private studio, Purple Brain Studio. Recording with Exile's Atsushi Sato was at Avex Studio, and the initial recording of the theme from Departures was recorded at Victor Studios. Recording in Europe was at Jeberg & Cut Studio in Copenhagen, and Storm Studios in Oslo.
