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Battle Team Lakers EX (聖少女戦隊レイカーズＥＸ Sei Shōjo Sentai Lakers EX) is an erotic OVA from 1997, based on a series of adult simulation games released by Apple Pie.
A group of alien girls from planet Blade Star come to earth after their home planet got destroyed. They all have powerful Super-Lake Crystals that allow them to transform into superheroines. Led by Blade Knight, they must fight Oleana, an evil space dominatrix, their toughest enemy.