Yuiko Amaha

Оригінальне ім’я: 天羽結子

Yuiko is Miu's mother. She often gets mistaken for Miu's older sister due to her young appearance. She is a graduate of Yuihime Girls' Academy, and Ranka's friend. She has two cats named Domon and Karin inside the house. Her husband lives in a distant town on business.