Sakurajima is an alternative to Twitter without the unpleasant aspects where you can discuss about anything, but this instance is mostly caters to discussion of Japanese media. Full rules can be read <a href="https://blog.sakurajima.moe/server-rules/">here</a> and also join our <a href="https://forums.sakurajima.moe/">Forums</a> as well (you can log in/register an account using your Mastodon account here along with Discord and Wordpress.com accounts).
Sakurajima (桜島） Mastodon server has 37 users that have posted 556 times
To join Sakurajima (桜島） on Mastodon, click the "join this server" button on this page. You will then be redirected to join the Mastodon Instance.