The story takes place in the not-too-distant future, when people cannot live without the Internet, and everyone is using a neural connection device Terminal Equipment. The hero of the story, Haruyuki Arita, was discriminated against by her classmates because of her obesity since she was a child. Growing up in this environment, Haruyuki has a low self-esteem. He hates reality and curses those classmates who bully him, but he doesn't dare to resist. His only pleasure is to hide in the campus network, play squash games, and see his score getting higher and higher. As he gets higher, he will have a sense of satisfaction. Haruyuki has been living a life like a waste material until one day, the beautiful student council vice president Kuroyukihime appears in front of him. Hei Xue Ji could almost be said to be the dream lover in the hearts of all boys. Just such a goddess-level figure came to Haruyuki on her own initiative, and she only left one sentence, which was enough to make Haruyuki dream about. In fact, Kuroyukihime didn't come to Haruyuki for no reason, but discovered that Haruyuki's reaction speed was faster than ordinary people in the game, so she wanted to pull him into the accelerated world