'I sincerely wanted to marry you.'

Iori, the daughter of the president of a major real estate company, is married to the president of a rival company, Takanari, for a limited time.
Iori's marriage life with the cool-headed man is full of differences, but Iori knows she has to let it go because she has already decided to get a divorce.
However, when she finds out about the kindness and tenderness he sometimes shows to Iori, she gradually becomes aware of him.
Maybe he's not really a cold person...
Iori gathers up her courage and proposes to him to have a relationship with her, but from that day on, Takeru's attitude suddenly changes...?