Shinigami-kun, alias grim reaper #413, is a rookie who pronounces the death of those scheduled to die and brings souls to the nether world. He would appear with the signature phrase “Congratulations! I’m here to call on you” although it is hard to say how this can be a happy occasion, and watch over the dying. To a grim reaper, persuading people attempting to commit suicide and preventing unforeseen deaths is also an important task. But because #413 is new to this grim reaper work, he has a tendency to lean towards humans in his judgments, break the rules of the nether world and get reprimanded by his superior.

Sakurai Misaki has not dated in a long time. She has focused on her work as a pâtissier to eventually run her own business. One day, she gets fired from work. She then meets her first love from high school Shibasaki Chiaki. Misaki works part-time at Chiaki's restaurant and also stays there. While she lives with Chiaki at his restaurant, she realizes that Chiaki's two younger brothers Touma and Kanata also live there.

Aoi Miura (Sota Fukushi) was born and grew up in Toyama Prefecture. He has an indecisive personality and does not like summer. He was the focal member of the high school swimming team, but he now works as an assistant at a small architectural office in Tokyo. One summer day, he meets his childhood friend and first love Akari Serizawa. During their school days they spent everyday hanging out together until the fireworks night in their 3rd year of high school. That night, Akari suddenly disappeared. Now, Akari has a man named Aoi.

Naoya Inaba (Yuto Nakajima) grew up abroad. From his childhood experience, he thought “yankees” were the strongest heroes (in Japan "yankee" refers to delinquent youths). He was also influenced by the Japanese yankee manga he read from abroad. Because of his own experiences and reading manga, he is full of chivalrous spirit. Naoya arrives in Japan to spend one year at a high school in Japan. He is transferred to a technical high school which is about to be closed down. Naoya admires the school because a yankee, who he admired as a child, went there, but he soon realizes that there are no real yankee like hero figures. There are only students who spends there days meaninglessly. Naoya is disappointed, but he happens to play water polo.

After the jolt he gets from a date gone bad with the girl of his dreams, a admired senior colleague, the drab white-collar worker Ken'ichi Tsumiki buys an appealing AI girl-droid "equipped" for sex, takes "her" as his wife, and names her Piple. But for some reason, Piple spurns his advances on their first night together. Visiting Piple's developers, Tsumiki meets the AI researcher Kaede Miyama. She tells Tsumiki that the problem is in the way he set Piple up—something that, sadly, couldn't be changed. But Miyama has an idea, and she makes a surprising suggestion.

University student Hagoromo likes to tend to her studies, but it is not easy. She lives at a love hotel operated by her father. She lives with her older brother who is a detective and always asks her for help. It is not just that he is not good at his job. It is also that Hagoromo can travel in time. She has the ability to travel back in time and find out what happened when a crime occurs. As such, she is an arm of the detective agency.

Chitose, a former bullied girl who became a talent manager, is put in charge of is a domineering actor who was a bully as a child.

The First Investigative Division is the star unit of the Tokyo Metropolitan Police Department. Jun'ichi Ōiwa, the head of the division, leads around 400 elite detectives. He has an extremely heavy responsibility: attends initial investigations at the scenes of all brutal crimes that occur within the metropolis, decides on the course of action of the investigations at the same time as he directs many investigation task forces and gets into investigations himself at the critical phase. However, Ōiwa is definitely not a superman. Amid his suffering, Ōiwa overcomes this grave responsibility and is quite simply a "life-size hero" and "ideal boss" to his subordinates.

A genius lawyer who changed jobs from a doctor, while suffering from the tragedy of false accusations, leads an out-of-force team to uncover the truth of numerous difficult cases and save the souls of those involved in the case.

"Married at 26" "First child at 27" "Second child at 29"... She always just assumed that's the way things would go... 28-year-old Kawai Yoshiko is still single. She has a broken heart a few days before her 29th birthday. On the way home, she runs into her colleague, Yuuki-san. Yoshiko cannnot help telling him about what happened just before. Then Yuuki-san suddenly offers Yoshiko to get married with him a year later only if...

Comedian Yamasato Ryota (Nakano Taiga) enters a cafe in order to prepare a story. Trivial incidents unfold there with the staff, TV people, the manager, and a handsome office worker. Little things bother them, and Yamasato's annoyance reaches its limit. He pulls up his glasses, opens his notebook and begins to write a story featuring a real-life actress in his notebook. For Yamasato, escaping reality is a "dream time" where he can forget the bad things. This is the start of Ryota Yamazato's fantasy story with the latest actresses and idols as the heroines!