A man who digs holes

[Product description provided by the creator]

A hardboiled-action manga that contains both 76 pages of English edition and the same quantity of Japanese edition. It's a Japanese style manga, monochrome, goes from right to left.

A country town that there is black gossips. An usurpation of fund for reconstruction, burying illegal trash...
A reticent man comes there from somewhere. And there is a daughter of the last mayor who was in opposition against acceptance of final disposal site. She meets the man in a fence of the disposal site.
Does the man want justice by digging up evidence of injustice? Or does he want money by blackmailing the mayor?
Violence of Yakuza happens to the man who digs holes with dauntless will.
What is his true purpose? Why does he dig holes at the disposal site? What does "dig" mean for him?