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Endless Divorce ~If I could start my marriage over again~

"Time has gone back to a month before the divorce...!?"
Father of two children. He has a good relationship with his wife. Satoshi is a self-proclaimed "good husband" who devotes himself to his work for the sake of his family.
One day, however, he is suddenly confronted by his wife, Noriko, with divorce papers.
He has no idea why he is getting divorced, and Satoshi chases after her, saying, "Please! Please let me start over...!"
Then, a suspicious divorce lawyer, Honjoji, asks him, "If you could start your married life over... what would you do? Satoshi is asked by the dubious divorce attorney, Honjoji.
It is an invitation to a hellhole from which he cannot escape until he realizes the cause of his divorce....