The 5th [[official alternate costume|costume]] of [[Hololive]]'s [[Houshou Marine]], as seen in post #5554471, unveiled on her 2022 birthday stream. Entitled "Captain Marine 3D Misoji Edition" in the concept art, misoji being romaji for 'thirty years old' (三十路), it is a marching band-styled costume.

It consists of a [[plume]]d [[shako cap]], a [[gold trim|gold-trimmed]] [[two-sided jacket]] ([[black jacket|black]] on the outside, red on the inside), a [[black leotard|black]] [[lace-trimmed leotard|lace-trimmed]] [[strapless leotard]] worn over a black [[bodystocking]], a [[black skirt|black]] [[underbust]] [[high-waist skirt|high-waist]] [[showgirl skirt]], and black fold-over [[high heel boots|high-heel]] [[thigh boots]].

Her [[official alternate hairstyle|official hairstyle]] with this costume is [[very long hair|very long]] with and [[grey hair|grey]] [[streaked hair|streaks]] into an  [[asymmetrical hair|asymmetrical hairstyle]] with a [[single side bun|single]] [[side up bun]] on one side and a [[one side up]] on the other.