Hentai: Binding balls (Part 01)
In "Binding balls (Part 01)", an envoy from the Capital comes around a genius alchemist and her apprentice to beg them a medicine to make babies because the Royal Family will be left with no heir. The alchemist knows that this job sounds like a giant pain once this medicine requires a special material. The apprentice accepts this job because they are running out of money. The alchemist does not like the apprentice agreed with the envoy, but she also accepts that job. Now a special material is needed - a virgin's pent-up semen - and she knows that she needs to bind the apprentice's balls for him having an orgasm!
