News of "revived people" who should have died humans come back to life was reported all over the world. Meanwhile, Tetsuo Tsuchiya wakes up in the conference room where he works, but his colleague reports that he died of suicide three years ago. However, Tsuchiya, who had a wife and a son and lived a happy life, could not commit suicide, and thought that he was actually killed, lives while pursuing the reason for his death. It depicts how you know the meaning of things, dying, and happiness. 日本語 English

Nakagawa Arisu is in the 3rd grade of high school and 18 years old. Her mother died when she was 11 years old. She has since lived with her father, who works as a firefighter. Having been influenced by her mother, Nakagawa Arisu has dreamed of becoming a curator who travels abroad often for work. But her life changes when she learns she is pregnant. Meanwhile, Naruse Toko is about to turn 40 years old soon. She works in the art world as someone who connects art and business. Naruse Toko is dedicated to her work and she hasn't been in a romantic relationship for 10 years. Nakagawa Arisu and Naruse Toko, who are totally different people, happen to meet and their encounter changes their lives.

Onodera Yumeko may look smart on the outside, but at home, she is a complete mess in terms of housework and fashion. Yumeko is particularly clumsy in romance and always dream about her first love in high school who she still thinks is her ideal man. Somehow, Yumeko keeps experiencing trouble one after another. Her boyfriend whom she thought would propose to her ended up breaking up with her, and her junior colleague at work betrayed her. Yumeko becomes heartbroken but she suddenly meets a young man who is the spitting image of her first love and her daily life changes like a roller coaster.

Aya Nakayama (Manami Higa) is a 32-year-old housewife and she has been happily married for 2 years. To other people, Aya Nakayama and her husband look like the perfect married couple. One day, Aya Nakayama sees a message from a strange woman on her husband’s cellphone. She wonders if her husband is having an affair. She also remembers that she and her husband have not been intimate in the last two months. Aya Nakayama begins to find other evidence of her husband having an affair.

Human resources consultant Tsubaki Mako has been dubbed the "devil of human resources" for her iron-fisted ways. She struts her way into a well-established firm and tackles sexual harassment, power harassment, bitter rivalries between factions, and monstrous employees, all of which are issues that can strike any company, with her extreme methods. Mako is like a devil who solves problems with her bold tactics.