Top Student: Experience Infinite Occupations - Chapter 269 - Counterattack 2

I became a staff officer of an empire whose defeat was certain.The only way to escape from the empire with an 8-year mandatory service was through dishonorable discharge.But then…“You can be glad, Lieutenant. Thanks to your accurate instinct, our military could prevent damage in advance.”The more I struggled to be discharged, the higher my performance evaluation became.

A seafood chef inexplicably transmigrated into ancient times. Even though he landed in a family with a nobility rank, and theoretically was supposed to be rich, the most valuable thing in the house is a grey donkey…
Su Yu stared at the sky helplessly; in order to support the family, he could only take up his old profession and go out to sell fish.
Unfortunately, the royal family selected concubines from both genders. Even as a poor noble, he had no choice but to attend…
DISCUSSION TOPIC: Will I be selected if I display my fish-slaughtering skills?
“Meow!” His Imperial Majesty shook his tail.

- Description from Novelupdates

Content Warning: R-18, Fantasy-Smut, Fetishes.Luke Hunter was once an average dairy farmer who lived in the countryside and supplied milk to a large company.After getting involved in a work-related accident, he dies a virgin and gets reincarnated into a fantasy world as the son of a very rich and powerful noble.Even though his noble family's domain is still in the countryside, this new life is nothing like the previous one.He has MoneyHe has Magic.He has a System.... And he has a big PP!Watch as Luke Hunter, the last born of the Hunter Noble Family, and only male heir to the Dukedom, begins to achieve his dream of tasting the breastmilk of women belonging to every single race in this fantasy world.The journey of Milk Harvesting is just beginning!

What would you say is the most valuable thing in this world?