A girl suddenly appeared in the living room of a young boy's house. The girl was an elven girl that came from another world. That elven girl naturally had no place to go, so she ended freeloading at the boy's house… An elven girl that became a freeloader, a very ordinary high school boy, and the boy's childhood friends come together as the elven girl gradually gets used to another world. Centered around an elven girl that came from another world in an accident, a heart-warming everyday life story with an elf began.