[Needs translation of the following Japanese summary.]

＜『神檻』が看守、四堂迦音と申します。人に害為す『罪神』を『収監』に参りました。お覚悟を――…。＞ 人に害為す『罪神』を収監する役目を持つ神檻。その看守である迦音と補佐である黒峰は、公園の池の埋め立て工事を妨害し、人に怪我を負わせた水蛇神を収監する仕事に赴くが――。人と神の物語――開幕。

[Google translation of the above, slightly improved. Needs more work. Dec. 2016.]
"'God Cage' is a guard, I am called Kotobu Sugaru. I've been 'imprisoned' for 'sin god' that harm people. Get ready ... -." Kamen crane with a role to imprison 'sin god' which harms people. That guard, Buddha and assistant Kurofumi goes to work to obstruct the landfill construction of the park's pond and imprison the water snake God who injured a person. The curtain rises—on a story of a person and a god.

— From the author of Clay Lord.