Kizuna

Kizuna (キズナ, Kizuna) is sung by. The song lyrics were written by, and the song was composed and arranged by.

Kizuna was originally released within the game on December 2, 2022. It becomes available in normal lives after clearing Part 6 Chapter 10.4. Kizuna is scheduled to be released as part of the Kizuna Single on March 8, 2023.