I am Aika Sumeragi Aika's main outfit is a long sleeve red jacket with white at the end of the sleeves, a white collar with a green bead, her golden bustier under her jacket, a tight red skirt, red high heels and white panties. When she activates her bustier, her appearance changes to Shivie Aika; a tanned-skin woman with long blue hair, a white bra and panties. However, she also keeps the collar and the shoes in this form. At the beginning of the first episode of Agent Aika, she wears an orange bra and orange panties. When infiltrating the Delmo base, she wears a gray tube top and blue panties. Aika is a beautiful white-skinned young woman with waist-length light-brown hair that is tied at the back of her head with bangs hanging on the left side, light blue eyes, red lipstick and rather large breasts. Taking place three years later, Aika and her two friends continue to hang out together at a restaurant. She is later roped into another adventure by Eri Shinkai to find the missing students of their school. She carries a tranquilizer gun, and later, a submachinegun-like weapon loaded with non-lethal bullets. Here we discover that she has a special power that may have a connection with Lagu. Aika is a salvage agent, a person who digs up submerged artifacts from the cities below. She works for a small company run by Gozo Aida and takes on fairly dangerous jobs. In the first story, she and Rion Aida (Gozo's daughter) search for material called the Lagu.