By beatMARIO.
Duration: 3:26.

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Tracks that Final Savage Sister, Flandre S. references:

• NO REMORSE [TrueLastBoss] by Ketsui -Kizuna Jigoku Tachi- and Manabu Namiki
• U.N. Owen Was Her? by ZUN

Tracks that reference Final Savage Sister, Flandre S.:

from Fandom:

• Arise by Wights End

from Additional Tracks:

• Final Savage All Voice by Beat Throat Mario