List of volumes

Volume 1
Yotsuba Koiwai is a young child. Together with his father, he moves to a completely new city and home. There she meets three neighbors with whom she later becomes friends. She quickly manages to win the sympathy of her father's friends and people from the neighborhood

Volume 2
Yotsuba meets Ena's friend - Miura. She tells her she can't draw. In the following chapters, Yotsuba shoots all people in the vicinity with a water pistol. Eventually, she herself is "killed" by Asagi. When he eats a watermelon, she immediately comes to life and continues to play