One day, Liu Hai accidentally owned a dilapidated magic book. When she imitated the wizard in the magic book to create a magic circle, she accidentally summoned a monster girl named Chi Xiaoliu. Xiaoliu is the source of strength in the country of Chi. She has been imprisoned for a long time. She planned to escape for a long time, and finally managed to escape. It happened that Liu Hai in the human world was experimenting with the magic circle... The two met.