Jonni Darkko’s exceptionally depraved Sperm Diet 2 dishes out five hours of aggressive, protein-packed oral filth. The Hall-Of-Fame director spotlights cream-craving stunners — first in elegant tease segments, and then…

“In “Sperm Diet,” stylish pornographer Jonni Darkko serves up the semen, plus healthy helpings of POV-style blow jobbery and spit-drenched oral decadence. Brown-eyed brunette Katrina Zova fists her throat to…