How Does One Increase Testicle Size?

[ThatRantingMadManofYore]

Or, rather, enough to unlock certain options. I've tried alchemy on Blood Wine and Blue Eggs, but that stops working after a certain point and I'm left with them too small for things like testicle masturbation.

 

[Ideo]

You can buy Virility Boosters from Vaush but they also increase corruption.

https://wiki.smutosaur.us/CoC2/Virility_Booster

 

[Greyfox643]

Once you get to The Woods, Nuki Transformative items can be alchemically refined, and dont increase corruption.