Arale Norimaki was created in the laboratory located in the house of . When she was first brought out into the outside world around the town of , she was introduced to who was the manager of a cafe called the coffee pot. Their Arale was given the identity of being Senbei's younger sister to hide the fact that she was an android. The next day became Arale enrolled into Penguin Village Junior High School to fit in with the other kids after meeting the . Her teacher was who was Senbei's dream girl. In class she was sat next to the rebellious younger sister of Aoi. While Arale shocked everybody at the school on her first day with her intelligence during class and strength during P.E. At the end of the day she followed Akane who was meeting up with and his younger brother . Not knowing Arale's power Taro tries to intimidate Arale but she easily destroys a tree in front of them making them scared and gain respect for Arale as their friend.