There are some good philosophy podcasts in English & maybe also in Japanese?
Discussion
I don't know😭
But Hiroki Azuma (Japanese Philosopher) has some his own media channels and he sometimes talk about philosophical topics.
and my friend used to run a philosophy programme on Nico Nico Douga.
https://com.nicovideo.jp/video/co127083?page=1&sort=c&order=d