<Darknights After Story>

A weekly puzzle by Shiro

This weekly puzzle is themed after the game Arknights.
While no extensive knowledge about the game is required, some references to that game need to be googled.
All the solutions will be lowercasenospaces.html.
There will be no hints in the source code, only transcripts for dialogue sections.
There is no data hidden in the exif or other means of steganography.