L, an angel who’s endlessly fascinated with the human world, gets into trouble when she unthinkingly saves the life of Han Shi Yeong, a man who was meant to die. To make up for her mistake she must guard him on Earth for one hundred days and keep him safe from Hwan, a death god who is required to collect his soul. Both supernatural beings must contend with the knowledge that whichever one of them fails by the end of the hundred days will be erased from existence, and the longer they stay on Earth the further their powers fade and the more human they become.
Cha Eun Tae was happily married to Mai until an accident took her away from him. After the passing of his wife, Eun Tae is so shocked that he loses his memory. Numb and lost, he decides to embark on a final trip before following his wife. He finds a photo at home and tries to identify where and how it was taken. During his journey, he meets a mysterious high school girl who might lead him to a side of Mai he had never known existed.
Kenta, a young pianist who has just lost his job, is drowning his woes at a bar when he meets a man in a Hawaiian shirt named Yamaki. He invites Kenta to work with him, and the next thing he knows, Kenta wakes up to find himself in a room he has never been in before. It is a strange room that seems to have no connection to life. He descends a staircase to find many shelves of books. Yamaki appears once again and tells him that this is Heaven's Book Service, and Kenta is going to start working a short-term, part-time job here. In addition to selling books, this bookstore, owned by Yamaki, provides a service of reading aloud to customers. Although he is unsure of his new surroundings, Kenta follows their actions and starts to work in his new part-time job.
Soma Yui and Torino Naoki were childhood friends, but they met again as adults. Just as he decides to propose to Yui, Naoki suddenly disappears from Yui's sight after being embroiled in a mysterious incident. Naoki continues to wander in this world as a spirit without knowing that he has died. Naoki asks Uozumi Yuzuru, a detective who is the only one able to see Naoki, to convey his feelings to Yui, but Naoki ends up breaking up without properly saying "thank you, goodbye, and I love you" to the person he loves the most.
Soma Yui and Torino Naoki were childhood friends, but they met again as adults. Just as he decides to propose to Yui, Naoki suddenly disappears from Yui's sight after being embroiled in a mysterious incident. Naoki continues to wander in this world as a spirit without knowing that he has died. Naoki asks Uozumi Yuzuru, a detective who is the only one able to see Naoki, to convey his feelings to Yui, but Naoki ends up breaking up without properly saying "thank you, goodbye, and I love you" to the person he loves the most.
Soma Yui and Torino Naoki were childhood friends, but they met again as adults. Just as he decides to propose to Yui, Naoki suddenly disappears from Yui's sight after being embroiled in a mysterious incident. Naoki continues to wander in this world as a spirit without knowing that he has died. Naoki asks Uozumi Yuzuru, a detective who is the only one able to see Naoki, to convey his feelings to Yui, but Naoki ends up breaking up without properly saying "thank you, goodbye, and I love you" to the person he loves the most.
Soma Yui and Torino Naoki were childhood friends, but they met again as adults. Just as he decides to propose to Yui, Naoki suddenly disappears from Yui's sight after being embroiled in a mysterious incident. Naoki continues to wander in this world as a spirit without knowing that he has died. Naoki asks Uozumi Yuzuru, a detective who is the only one able to see Naoki, to convey his feelings to Yui, but Naoki ends up breaking up without properly saying "thank you, goodbye, and I love you" to the person he loves the most.
Soma Yui and Torino Naoki were childhood friends, but they met again as adults. Just as he decides to propose to Yui, Naoki suddenly disappears from Yui's sight after being embroiled in a mysterious incident. Naoki continues to wander in this world as a spirit without knowing that he has died. Naoki asks Uozumi Yuzuru, a detective who is the only one able to see Naoki, to convey his feelings to Yui, but Naoki ends up breaking up without properly saying "thank you, goodbye, and I love you" to the person he loves the most.
Soma Yui and Torino Naoki were childhood friends, but they met again as adults. Just as he decides to propose to Yui, Naoki suddenly disappears from Yui's sight after being embroiled in a mysterious incident. Naoki continues to wander in this world as a spirit without knowing that he has died. Naoki asks Uozumi Yuzuru, a detective who is the only one able to see Naoki, to convey his feelings to Yui, but Naoki ends up breaking up without properly saying "thank you, goodbye, and I love you" to the person he loves the most.
Korean potter Jun Ho meets successful young entrepreneur Nanami in Tokyo. The couple falls in love and soon marry. A year after their marriage, tragedy strikes when Nanami is killed on her way home. Nanami, not ready to leave this world, remains in this world in spirit form. During this time she learns that her death wasn't an accident and her husband Jun Ho is in imminent danger. Unable to contact any humans except a psychic named Unten, can Nanami warn Jun Ho before harm comes his way?
Shin Ji Hyun was enjoying absolute bliss as she was about to marry her fiancé, Kang Min Ho, but her perfect life is shattered when she gets into a car accident that leaves her in a coma. She is given a second chance at life by a person called The Scheduler, but it comes with a condition: she has to find three people outside of her family who would cry genuine tears for her. In order to do this, she borrows the body of Yi Kyung, a part-time employee at a convenience store for 49 days.
Cha Seung Hyo is an abandoned child who gets adopted in the United States and grows up to be a cold hearted person. Son Il Gun is a father who died, but he left things unfinished with his daughter. In order to make sure that his daughter is provided for he controls Seung Hyo's body for three hours a day for 49 days. He buys his daughter the things he couldn't do when he was alive with Seung Hyo's money. Il Gun's daughter, Young In, is a quick-tempered girl who meets Seung Hyo during her part-time job. At first she has a bad impression of him but she gradually starts to fall for the lonely Seung Hyo who is unable to open up to anyone else because of his bitter past.
Kariya Yuri is an airhead who falls head-over-heels in love with Aono Ryuhei after their very first meeting. Yuri's happiness knows no bounds when Aono surprisingly ends up agreeing to go out with her, and thus she starts to enjoy her perfect relationship with her perfect boyfriend. Alas, misfortune strikes when only two weeks into their relationship, Aono tragically dies in an accident. But is something as simple as death really enough to keep the two lovers apart?
