Ichika Tsumura

Ikuto Tsumura's five-year-old sister and the youngest child of the Tsumura family.

Ichika deeply adores her older brother and the clothes he makes for her. Her favorite accessory is ribbons. She usually wears one in her hair, and the clothes Ikuto makes for her always have ribbons or ribbon patterns on them.

(Source: Smile Down the Runway Wiki)