"Please... fill my lewd pussy with lots of your super-rich cum...!!"
Lavinia, a busty Cow-kin woman, had seen her milk production drop after losing her husband in an accident.
—High-quality sex affects the taste of the milk. That was the advice given to her by Agatsuma-san, a man who once worked in milk quality control in another world.
Life with her young daughter Charlotte, a sex life consisting only of lonely masturbation, and the burning, swelling emotions she feels for Agatsuma-san...
Seeing traces of her late husband in him—she gets filled with cum and milked dry over and over again!!

(Source : MelonBooks; translated)

Note: Published in Isekai Rakuten Vol. 18