Or how "xxxx" was originally developed. Maybe SEO-bait articles on the blog, "The Story Behind xxxx" or "Why You Must Watch xxxx." Also user-generated content on the site, encouraging fans to create memes, fan art, reviews, a contest. Discuss it on anime podcasts. All I got for now!

Off the top of my head, connect with niche communities on Reddit, creating discussion threads about "xxxx" in forums like r/anime. Discord on the Mediaocd site for fans to interact. Maybe behind-the-scenes content on the blog, stories about the creation/restoration process, challenges along the way