Use "normal" for everyday Aika.

Example: Aika, normal, short hair, star-shaped buns, two-tone hair, yellow hair, black hair, dark-skinned female, shirt, shorts

Use "magical girl" for Star Guardian: Guardian of the Stars Aika.

Example: Aika, magical girl, two-tone hair, yellow hair, black hair, dreadlocks, dark-skinned female, head chain, dress, ruffle tie, wings