taigei (swimsuit mode) (kancolle)
The bikini official alternate costume of Kantai Collection's Taigei, as seen in post #3587977.
Her swimsuit consists of a white bikini, blue sarong with a floral print, brown straw hat with a whale clip, black sandals, and a single arm scrunchie. Note that this tag applies only if her sarong is blue, the red and green versions have their separate tags.
This tag implicates taigei_(kancolle) (learn more).