From Bamboo Feathers:
When he was a child, Isao was inspired by a florist named Aiko and fell in love with flowers. After saving his father's company, Isao finally leaves his desk job to realize his lifelong dream of owning a flower shop, opening it in the same location that Aiko's shop used to be.
Right before opening, he finds out that Aiko had passed away when he meets her…