Kegareta shita (2005)

Iijima Naoko plays an unmarried woman who opens a florist in Tokyo. Her character lives with her mother, and is also seeing a man (Kato Koji) hated by her mother. She blames him for driving her husband to suicide. Kato plays the president of a major florist company who sweeps Iijima's character off her feet and the series apparently revolves around the love triangle and its maze of forbidden romances and flings.