I wonder what the title was? Sounds like something a bit more powerful than Catcher in the Rye.
Probably the tale of Scrotie McBoogerballs.
Seriously, some of the adult Japanese cartoons are bizarre and sick. If a book store or magazine stand would be arrested for for selling it, the library should not be making it available to minors. That said, I don't care what the lady claims, no relatively sane person will need to be in extensive therapy simply because of one book.