DON'T DELIVER US FROM EVIL (1971): Bored Catholic Schoolgirl Teases

Here's the brief IMDb plot summary for the French film Don't Deliver Us from Evil (1971) [French: Mais ne nous délivrez pas du mal):

During summer break, [Anne and Lore] two bored Catholic schoolgirls vow to become Satanists and play a series of increasingly dangerous and morbid games

The nymphets "morbid games" include teasing and seducing middle-aged men. The victimized men, not knowing the rules of seduction, aggressively succumb to the allure of the nymphets only to be rebuffed.

Nassim Taleb summed it up well when he wrote in Antifragile, “Just like in matters of seduction, people lend the most to those who need them least."