Mast is a navy Nikke. Mast usually wears a regular sailor's suit, such as white hot pants with panty-line views and a coat, but when swimming, she is dressed in a navy leotard swimsuit and rubber stockings. Her swimsuit is almost a bodysuit, which allows her to see her hips well behind her and shows off her huge breast. She is an active personality who gets along well with everyone, and likes and follows you a lot. She has her red hair tied in twintails and calls you captain. It is just nickname