Aki is the other half of Aki-ra. A being from outerspace who found herself on Earth due to the power of another. Believing it to be the original Night guard, Alice took her in and has sense been on the search for the girl who was spirited away.
She works hard towards her dream but lacks confidence in herself after her failures back on her home planet, Nu-Aurea. One that cost her own life and half that of her closest friend, Kira. This resulted in the two becoming intertwined and has since resided within Kira.