Kumi Saiki - 斉木久美

Kumi Saiki is the wife of Kumagoro Saiki, Kurumi Saiki's mother, the mother-in-law of Kuniharu Saiki, and grandmother of Kusuo Saiki and Kusuke Saiki. Despite her old age, Kumi keeps the style of a modern teenage Japanese girl, wearing clothes sexy for her style and a skirt shorter than her knees.