My Precious World

 is sung by. composed the song and wrote its lyrics, while composed and arranged the song.

 was originally heard on November 17, 2020, as part of La Danse Macabre's promotional video. The full version of of the song was released on November 18, 2020. It was released within the game on December 6, 2020. If you clear Part 1 Chapter 1.6 it will be available within the normal lives. Before being released within the game, it was featured as a song in the La Danse Macabre event.

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