In a Japanese school, 5 adolescent geeks join the new sport teacher and take up the challenge to take part in the synchronised swimming competition, in-spite of the mockeries of the real sportsmen.
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.
