She has very long white hair, red eyes, and large breasts. Wears a white dress with long sleeves. Her most prominent feature is a row of spikes growing out of her neck that obscures the lower half of her face. In her second form she has veins on her body similar to Aircraft Carrier Princess.
Suspected to be an abyssal Akagi. As for visual similarities, the two have the same hair style albeit Midway's is more disheveled and long. Her dress also v-necks at the front which can be seen as a subtle hint to Akagi's hakama. Other reasons include her sink dialogue and the fact that Aircraft Carrier Oni was introduced in the same event as her, who greatly resembles Kaga.