A self-confessed erotomaniac, the unnamed protagonist of A Sex Pervert’s Diary reveals Tokyo to be the ideal playground for his depraved activities. There, in Japan’s capital, he can find legions of uninhibited schoolgirls who will give up their favors so willingly for money…jammed commuter trains which make fondling young women so easy…an overcrowded housing condition which makes Tokyo a voyeur’s paradise…and much, much more. But the chain of his perversions gradually escalates until there is no escape from the hell of his sexual desires.