Rio Yamabuki died saving a cat. When she wakes up, she finds herself 15 years in the past, on the day her husband proposed to her. She believed that marrying him would bring her happiness. However, the reality was a disastrous marriage filled with her husband's abuse, caring for his parents, and ultimately being killed by her husband and his lover for insurance money. A grim reaper appears and tells her, "Redo your marriage as you wish." If she can redo her life from rock bottom, this time she will live for herself and seize happiness!! Just when she thought that, three high-spec men claiming to be her husband appear...!?