Renew
こう
さら, ふ
None
In the ground of the rice paddy is a treasure. You pull it out of the mucky ground. This will renew your life for the better. Again, this treasure will change your life!
Again, you are going to renew your life! Everything will be better. Then, the person who caused all this grief grabs your treasure and runs. こういち is running off with the treasure that was supposed to renew your life!