Delinquent Girl Boss: Worthless to Confess (1971)

Kids learn the darnedest things in reform school. The postpubescent, slightly incorrigible, and precociously delightful heroine of Delinquent Girl Boss: Worthless to Confess (1971) has mastered rudimentary extortion and advanced vengeance during her girl-jail matriculation, with minors in sultry exercises of personal hygiene, conducted in both shower and bath. Cleanliness is next to a virtue more homicidal than godliness, as this soiled waif finds herself caught between the battling factions of a Yakuza turf war and her loyalty to a classmate’s ancient and ailing father. A seemingly random car crash brings about a collision of circumstances that will seal the fate of everyone involved--seal in blood.