Kuro no Birthday
- 黒のバースデイ, Black Birthday
- Ave Mujica's Debut song
- Release: April 11th, 2023
- Album/Single: 黒のバースデイ, Alea jacta est
Futatsu no Tsuki ~Deep Into the Forest~
- ふたつの月⠀~Deep Into The Forest~
- Ave Mujica's second song
- Release: April 11th, 2023
- Album/Single: ふたつの月⠀~Deep Into The Forest~, Alea jacta est
Choir 'S' Choir
- Ave Mujica's third song
- Release: April 23rd, 2023
- Album/Single: Choir 'S' Choir, Alea jacta est
Kamisama, Baka
- 神さま、バカ, Memento Mori
- Ave Mujica's fourth song
- Release: May 8th, 2023
- Album/Single: 神さま、バカ, Alea jacta est
Hachibousei Dance
- 八芒星ダンス, Octagram Dance
- Insert song for episode 13
- Release: March 27th, 2025
- Album/Single: Completeness
DIVINE
- Opening song for Progress Orders
- Release: August 3rd, 2025
- Album/Single: DIVINE