Assalam alaykumI used to watch pirated anime for five years, although I know that it is forbidden from a site that collects random episodes from various sites. I do not know all the sources stolen from them, nor the amount of losses that I caused, and I cannot communicate with the site owners or companies to apologize. So what do I do

All perfect praise be to Allah, The Lord of the Worlds. I testify that there is none worthy of worship except Allah, and that Muhammad is His slave and Messenger.

If the case is as mentioned, you only have to repent of this piracy and not return to it in the future. In addition, we advise you to occupy your time with useful knowledge in your religious and worldly affairs, and not to waste your time and life in pursuing these materials that do not bring you benefit, rather some of them may even constitute a sin.

Allah knows best.