Sakiko Sakura

years old Hair: Black Eyes: Black Sakiko is Marukochans 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.