itch.io

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.