Ryousuke Hazuki is a young guy whose heart has been stolen, and he visits the local floral shop on a daily basis in order to catch a glimpse of the business's owner, the lovely Rokka Shimao. In order to get closer to her, he decides to take a part-time work at the shop, but before he can make his move, he encounters a big stumbling block: in her apartment lives a ghost who claims to be Rokka's murdered husband. Since his death three years ago, Atsushi Shimao has silently kept an eye on his widowed wife. However, Hazuki is the first one to see him, and the two rapidly clash: the envious Shimao tries to block the suitor's approaches and control his body, while Hazuki is the first to notice him.