Very hard rate for me. On one hand you have insane cool world with a lot of potential and decent representation of that world in the show - on the other hand you have A LOT of the most down-bad fan service possible. If you love japanese fan service - the show is an 8. If not - it's 5-6 at most.

Insufferable wish fulfillment centered on two reclusive sibling gamers smugly exploiting a world run by games. Said leads are unsympathetic and come across as what someone who isn't smart thinks a smart person is like. On top of that it seems the author didn't find incestuous or pedophiliac undertones bad enough on their own, so he combined them! Seriously? The use of color and complete lack of blacks is headache-inducing. Could only stand a few episodes before dropping.