Kuro is a 18 year old depressed girl, who is obsessed with video games. She is rank number 'zero' in all the games she plays, her username always filled in as a simple word. Ace. People say she's unbeatable, and she can even beat the mysterious [ ] or blank. What they don't know is that she is friends with the mysterious blanks, and one day when she comes over, she gets put in a new world. Happily. NEVER. After.