Two strangers, both proposed marriage to their respective girl/boyfriend, were rejected on the same day. They decided that the best way to deal with the rejection was to get drunk, real drunk. During the 24 hours of their crazy drunkenness, these two stranger became fast friends and got married... to each other. When they finally sobered up, they embarked on a mission to undo every crazy thing they did while they were drunk and prayed that their girl/boyfriend don't find out.
Mizuguchi Saki is an outstanding fashion magazine editor who grew up in a modern and liberal family. She meets Obara Koichi who is the ace of the Air Rescue Wing of the Air Self Defense Force. He grew up in a strict military family and is the classic straight-laced guy. Although Saki and Koichi are polar opposites, the two of them quickly get married without dating, believing that they would start a happy life as newlyweds after a lavish wedding ceremony. However, as they begin living together in the same house, their differences in lifestyles and values result in differences in opinions and huge fights. Saki and Koichi soon decide to get a divorce. But the couple have difficulty breaking the news of their decision to their families, colleagues and friends who celebrated their marriage and looked forward to the future. They thus start activities behind the scenes to prepare for their divorce.