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

Basking in the glow of his scientific achievement, Senbei scrambles to get Arale in working order so the rest of Penguin Village won't have reason to suspect she's not really a girl. But first Senbei needs to find her a pair of glasses and some clothes...
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(Source: Viz Media)

Dr. Slump creates a little android girl, Arale, who is very stong, happy, and totally common senseless. They live in Penguin Village where the strangest things happen (e.g., the dawn is announced by a little pig wearing a basquee).
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(Source: Anime News Network)

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

Aoi Kimidori