"Backyard" is a town where game characters spend their time when they're not being controlled by their players. All the characters live in that single town where it goes beyond the boundary of being just a game. As written so in her settings, Liz, one of the female characters in the action RPG game, "Smog" is attracted to Saratoga, her senpai in the game. Even so, "Backyard" is a place where characters have the freedom to decide whether they act on those settings and many do draw a distinction between them. For example, the demon king and the princess who are going out. A story focusing on Liz and Saratoga as they interact with the world and other characters of Backyard.