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Kuroki Kasori AI

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Kuroki Kasori nJokis is a voice model created for DiffSinger, developed in collaboration with nJokis Labs, who implemented Spanish language support in DiffSinger using the nJokis system. For now, the voice is still a prototype, and the development of the models remains in beta; however, progress is continuous, so it will keep receiving updates.

Kuroki Kasori nJokis is in an early stage, but it is already available for download. It currently features a natural vocal mode, and additional vocal modes are in development. This voice model was created from original Spanish recordings, which gives it a tone and strength different from the model produced under Kasori Project, which uses only Japanese recordings. As a result, the output of both voice models is noticeably different.

This voice model supports five languages: Japanese, Spanish, English, French and Portuguese.

Feel free to use whichever one you prefer! Kuroki Kasori nJokis is the best multilingual option.

This voice model is ideal for songs in Spanish, English, French, and Portuguese.

If you want to work in Japanese, it is recommended to use the DiffSinger model created by Kasori Project, as it includes a larger amount of data and more vocal modes.

nJokis Labs Networks

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Vocal Modes

Natural:

This is Kuroki Kasori's default vocal mode, replicating his natural and distinctive singing. His voice is sweet and soft, with delicate tones that gain strength and power in the higher notes.

​It's the most developed vocal mode of the voice model, with a total dataset of 00:37:19.

Recommended tension: 0 to 30.

Natural Spanish
00:00 / 00:19

Data of the voice model

​Dataset Spanish: 00:37:19.

  • Natural: 00:37:19.

Multi-language training data:

  • Spanish: nJokis-Labs corpus.

  • English: Pann.

  • Japanese: pjs , nit070.

  • French: petitHIBYA, petitBlair.

  • Portuguese: Brapa

Updates:

  • 18/11/2025: Kuroki Kasori DS nJ-0.2.1 β

*NEW*

Best Option

Kuroki Kasori DS nJ-0.2.1 β

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