Tentang
Age: 12 years old
Hair: Black
Eyes: Black
Sakiko is Maruko-chan's older sister. Sakiko is a sixth grader who is clever, calm and organized, the exact opposite of her younger sister, Maruko. She and Maruko share a room and often fight but they get along. She attends the same school as Maruko. She is afraid of roaches and blame Maruko who always eat snacks in their bedroom.
Pengisi suara
JepangYuuko Mizutani
Pengisi suara
水谷優子