anthropomorphism black_eyes black_hair blonde_hair blue_eyes boots bow brown_hair cherry_blossoms elbow_gloves eyepatch flowers gloves group halo haruna_(kancolle) headband i-168_(kancolle) japanese_clothes kantai_collection kongou_(kancolle) long_hair miko nagato_(kancolle) navel ponytail purple_eyes purple_hair red_eyes red_hair rensouhou-chan school_swimsuit shimakaze_(kancolle) short_hair signed skirt spear swimsuit sword tatsuta_(kancolle) tenryuu_(kancolle) thighhighs tie umbrella weapon yamato_(kancolle) yellow_eyes yukian

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And if I could remember any of their names I'd tag them too...
One quick method for checking that is the "Find Similar" function. In this case it had already been uploaded to Danbooru and all the characters were tagged there.
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