The Touhou Collaboration is a collaboration between Touhou and Project SEKAI, first announced on March 27, 2024, during Project SEKAI Broadcast Station's 3.5th Anniversary stream.
On the April 24, 2024 stream, it was announced that each song would receive an APPEND chart, and that Bad Apple!! feat.SEKAI would receive a 2DMV.
Songs[]
All of the songs were re-arranged by beatMARIO.
| № | Cover | Song | Unit | Date Added (JP) |
|---|---|---|---|---|
| 01 | 
|
Chou Saishuu Kichiku Imouto Flandre S | Instrumental | 05/03/2024 |
| 02 | 
|
Bad Apple!! feat.SEKAI |  25-ji, Nightcord de.
|
05/04/2024 |
| 03 | 
|
Help me, ERINNNNNN!! |  VIRTUAL SINGER
|
05/05/2024 |
2DMV[]
Bad Apple!! feat.SEKAI - 25時、ナイトコードで。 × 初音ミク-2
Help me, ERINNNNNN!! - 初音ミク × 鏡音リン × 鏡音レン × 巡音ルカ × MEIKO × KAITO
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