sakurajima.moe is one of the many independent Mastodon servers you can use to participate in the fediverse.
A comfy, non-toxic, and inclusive Anime/Manga/Japanese Media fandom and Japanese Media/Culture Content Creators (Bloggers/Artists/Video Creators/Podcasters/etc.) Mastodon Server

Server stats:

266
active users

I love how angelic and pure Nina IV looks compared to the more daring designs of the other Ninas (which i also love)