itch.io

It's not, Apple Music for Windows and Android both support Lossless. I'm not sure why Cider only supports 256 kbps. Maybe Apple locks it down so it's possible to stream it from first-party apps.

I think it's a meme referencing that time when aBioshock Infinite game dev said that lewding Elizabeth is like lewding his daughter and that the internet please shouldn't do it.

There's a Steam guide (requires logging into Steam to view since Zetria is a Hentai game): https://steamcommunity.com/sharedfiles/filedetails/?id=2823001313

You also have to interact with the CAOS ship first. Attempt to hack it and only then will the prompt at the bridge appear.