旧スクフリーナ様と
新スク（競泳タイプ）フリーナ様

長年、競泳型スクール水着を新スクール水着だと思ってた

An old school swimsuit Furina-sama and
a new school (competition) swimsuit Furina-sama

For years, I mistook competition swimsuits for new school swimsuits