Masae Koyama

Masae Koyama is Misae's and Musae's older sister and Shinchan's and Himawari's aunt. She is 35 years old same age as her sister's husband Hiroshi and still single. Her first appearance took place in episode 130a.She lives in Kumamoto (Japan), so her appearances on the show are rare. She shares some of the same mischievous antics as Shin-chan and Ginnosuke, though it is possible that Misae learned some of her moves from her. She likes to tease Misae at any chance she can, often scaring her with her mask antics. She's a teacher who teaches Japanese language at an institute. In the previous episo...