The creator of Little Witch Nobeta has revealed that certain in-game cutscenes have been censored due to the content policies of Steam, Sony and Nintendo. To circumvent this, he provided four offsite patches that you can unlock by beating the game and using a password. I assume you just drop the files into the game directory and call it a day, but I could be wrong. The devs didn't make it very clear.
Full statement here: https://store.steampowered.com/news/app/1049890/view/3279207472463728078
Little Witch Nobeta 《Wanderer In The Dream》
https://mega.nz/file/RgB3mQrC#Q3I_nr6_VpZuiQNSWnLM7bmpRrPy2PoVJ7oTAPYzCsk
Little Witch Nobeta Extra Chapter《Tania》
https://mega.nz/file/Nkx00KJT#mAw2kVwyeT7oOI4SXThCcVQaHnpgdcPh6vCwiX-oDGw
Little Witch Nobeta Extra Chapter《Monica》
https://mega.nz/file/p0BUBZbI#lgj7OF6j_SOO9GiB7iajp0vY9f_-SAFyAjuIeJrS6E8
Little Witch Nobeta Extra Chapter 《Vanessa》
https://mega.nz/file/tx5U0AjS#zSjDuxvVBwQqWlirIyr4qozqDHkk3EY5XfUW03UlU5k
Full statement here: https://store.steampowered.com/news/app/1049890/view/3279207472463728078
Little Witch Nobeta 《Wanderer In The Dream》
https://mega.nz/file/RgB3mQrC#Q3I_nr6_VpZuiQNSWnLM7bmpRrPy2PoVJ7oTAPYzCsk
Little Witch Nobeta Extra Chapter《Tania》
https://mega.nz/file/Nkx00KJT#mAw2kVwyeT7oOI4SXThCcVQaHnpgdcPh6vCwiX-oDGw
Little Witch Nobeta Extra Chapter《Monica》
https://mega.nz/file/p0BUBZbI#lgj7OF6j_SOO9GiB7iajp0vY9f_-SAFyAjuIeJrS6E8
Little Witch Nobeta Extra Chapter 《Vanessa》
https://mega.nz/file/tx5U0AjS#zSjDuxvVBwQqWlirIyr4qozqDHkk3EY5XfUW03UlU5k