You haven't seen the very first movie, have you? It takes the conundrum of invisibility cloaks and the wearer's clothes to its logical conclusion.
The game mentions STand Alone Complex so is based on the series.
A quick primer to redpill.
I might need brain bleach now, thank you very much.
That reminds me
http://www.theguardian.com/lifeandstyle/2014/nov/19/julien-blanc-barred-entering-uk-pick-up-artist
The tone switches constantly between anime fluff and grim dark. From a beach episode to concentration camps. And somehow it all works. Probably because it's Japanese.