The Zenin Clan and the Kurokawa Clan. Two clans always at each other's throats as they never met eye to eye. But now due to them needing to come together, the Zenin Clan proposed an arranged marriage between the two of them. And here we are now, Zenin Naoya and Kurokawa Sayori are now to be wed to one another, but both of them had their own set of problems with one another. But this love story will tell the tale of how these lovers start to truly fall in love or grow apart as the conflicts of their marriage challenge them at every turn.