Vagrants Stories

Niko Chen,the famous "Ninja Blade" on a game called "Moonlight:The Hunt" by night,a normal college nerd by day,and also a hopeless romantic boy to his fellow gamer/classmate,Anko Chua,the "Heaven's Fire". One rainy day,Niko saved and met "Nine", an Vagrant AI robot who is willing to help him to make Anko fall for him in exchange of 9 years of his memory. Will he be able to make Anko fall before Nine take his memory?