Akane's older sister, who works at the coffee shop

Taro&#039;s little brother who always wears an animal hat. At one point, he saved a girl named Hiyoko from a beetle. Of course, this wouldn&#039;t have been necessary if not for Arale; when she saw that Peasuke had fallen in love with a girl much taller than he, she used the Big-Small Gun to shrink Hiyoko to insect size

Momotaro is a character from the Japanese folklore story Momotaro the Peach Boy. In Dr. Slump, he is a resident in Penguin Village. He initially lived in his story but when Arale used the Fairy Tale Machine to transport herself into the book, Arale messed up the story and accidentally brought Momotaro into the real world. Though an inconsistency, he has been shown around Penguin Village in several background and non speaking roles before Arale brought him out of the story.

Aphrodia's the Aldebaron's 25-year-old Commander-in-chief. Lost her parents in a traffic accident at the age of 13; she and her brother Milan were adopted by Gattler afterwards. She became the leader of S-1's Secret Service at the age of 23, and got her current position after the successful coup d'état of S-1. When the Reigan Institute was attacked, as a result of the coup, her brother Milan, who killed Marin's father, was killed by Marin, thus starting their hatred for each other.

Mamoru is a transfer student into [Yuu's](https://anilist.co/character/12919/Yuu-Morisawa) class. He is originally from Hokkaido and prefers nature to the city. He is initially very rude, but quickly becomes friends with Yuu due his interest in [Posi](https://anilist.co/character/332272/Posi) and [Nega.](https://anilist.co/character/332273/Nega) 

She retired in May 1985 when her health suddenly became worse and was subsequently replaced by other people for her roles.

Naomi Jinbo

Characters