1. Sony Music Japan and Bandai Namco have filed a lawsuit in a U.S. federal court against the anime music piracy site Hikari no Akari. The lawsuit alleges that the site has been illegally distributing copyrighted music from various anime series, including popular titles like "Demon Slayer" and "Jujutsu Kaisen." The plaintiffs are seeking damages and a permanent injunction to shut down the site.

2. Hikari no Akari is a website that has been providing free access to a vast library of anime-related music, including opening and ending themes, as well as background music from various anime series. The site has been operating since 2017 and has gained a significant following among anime fans who use it to access this content without paying for it.

3. The lawsuit filed by Sony Music Japan and Bandai Namco is part of a broader effort to crack down on anime music piracy, which has been a persistent issue for the industry. The plaintiffs argue that the unauthorized distribution of this copyrighted content has a significant impact on the revenue and business model of the anime industry, as well as the artists and creators who produce the music.