docs: license changed to cc-by-nc

README.md

@@ -1,5 +1,5 @@
 ---
-license: cc-by-nc-nd-4.0
+license: cc-by-nc-4.0
 language:
 - ja
 tags:
@@ -20,11 +20,10 @@ size_categories:
 - All voice copyrights belong to SEGA and EmuOtori voice actors themselves, this data set is for research use only.
 
 ## License
-This Project use `CC-BY-NC-ND-4.0` as its license EXCEPT voice owner including **SEGA** and **Hina Kino** while they have right to decide their own assets.
+This Project use `CC-BY-NC 4.0` as its license EXCEPT voice owner including **SEGA** and **Hina Kino** while they have right to decide their own assets.
 ```
 Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
 NonCommercial — You may not use the material for commercial purposes.
-NoDerivatives — If you remix, transform, or build upon the material, you may not distribute the modified material.
 ```
 
 ## Personal Talk