The protagonist is a horny schoolboy who can't stop thinking about his female classmates.
"Man, I'd love to see her jugs."
"I wonder if she masturbates?"
His mind is filled with endless dirty thoughts.

One day, he gets his hands on an application capable of controlling sexual desire and the urge to urinate.
Truly, this is a heavenly gift for a sexually curious young man.
Naturally, his first targets will be those very classmates he fantasizes about.
He's already hard just thinking about it...