Na-san (なーさん Na-san?) is Kirari's cat. He is an outstanding cat that can sew, cook, and do other chores. Na-san has received recognition for his intelligence and singing abilities. As a mascot character to the heroine, he provides a lot of help to Kirari and protects her from danger. At the same time, it is also shown that he is a genius cat who excels in both English and Mathematics. His favorite food is taiyaki.