A few nsfw instance i found:

• https://www.s3xvn.com/ | https://ww3.vnchich.cc/
• https://www.jvideos.net/
• https://dangly.parts/
• xxx.noho.st (defunct)

And a few channels here and there:

• https://peervideo.ru/a/analife/
• https://www.vnshow.net/a/zone3x/
• https://tube.hokai.lol/c/melodies/videos
• https://peertube.su/c/turd_flinging_monkey/
• https://v.9tail.net/c/lemonleafasmr

Make sure to enable nsfw content in the settings. Otherwise you’ll see an empty list.