If you take the adorable chibi animals out of this illustration the girls look like bridesmaids to me. They are definitely dressed as though they are and also, classic anime stereotyping anime girls would mean that they attract adorable animals.
Well I am pretty sure they aren't the crew I ordered to dig up a sewer ditch in the rain.
Who knows maybe the company you asked to dig up a sewer ditch has the policy of it's workers to stay well dressed.