Plow
You have a plow and a (water) well. These are the two things you need in order to plow.
You'd think you'd only need a plow, but you also need water if you're going to plow a field, otherwise what's the point?
こう
たがや
None
plowing all the fields are こういちs. Not Emperor こういち. These are the こういち clones the government made, and now they're being put to use.
Thousands and thousands of こういちs, set free unto the world to do all our plowing work.