An original medical murder mystery surrounds an unknown killer coccus (bacteria), that leaves no trace in the victim's body, which enables it to be used as the perfect weapon to kill. Fujimaki Tatsuomi is a pathologist working at the Pathlogy department at Meikyo Medical University Hospital. He's looked down upon by the other staff around him, and his relationship with Maho his wife, a former nurse, has cooled down. After a patient's suspicious death, he makes a new discovery; when the deadly bacteria "Gift" invades the body, the patient soon dies, but the "Gift" leaves no trace thereafter, enabling it to be used as the perfect weapon to kill. As a result of this discovery, Fujimaki's life dramatically changes. While searching for a way to treat his ailing wife's heart disease, he becomes embroiled in a conspiracy surrounding the killer bacteria "Gift."
Centers around a disturbing murder case that occurs during a company trip. In the wake of the incident in which the company’s general manager is killed by someone, unexpected internal problems are revealed that had previously been thoroughly concealed to this point. Matoba Ikuko is a plain, gloomy and unfriendly general worker, but her work is fast and accurate. She becomes interested in the case and decides to lead her own investigation. Mikami Tazuko is a hardworking sales manager who witnesses her manager’s affair while on the trip and begins to develop her own theories through her private social media diary.
Satoru Mizushima is a designer, who prefers traditional things like handmade items and handwritten works. One day, he happens to meet a mysterious woman, Miyuki Miharu, at the cafe named Piano. She seems to have similar values to him and he is attracted to her. Satoru asks for Miyuki's cellphone number, but she doesn't own a cellphone. They make a promise to meet at the cafe every Thursday. Since then, Satoru and Miyuki meet every Thursday and their relationship develops romantically. Satoru decides to propose Miyuki, but she doesn't show up at the cafe.
Though handsome and successful, Satoru Mukai suddenly realizes he's been single for ten whole years and has no idea how to initiate a new relationship
Hayami Honoka works in the sales department for a major consumer electronics company. She is excellent at her job and is respected by her colleagues. She seems like a clean freak at work and her colleagues think she is a perfect person to marry. But, in her private life, her home is a complete mess. Things there are unorganized and dirty. On the flip side, when she arrives at work, she looks perfect. Meanwhile, Yamamoto Chihiro is Hayami Honoka's co-worker in the same department. He joined the company 3 years after Hayami Honoka. When he was a child, Yamamoto Chihiro and his two brothers did the housework at his home, while his mother was busy with her job. Because of this, Yamamoto Chihiro is excellent at doing household chores. Due to a case, he happens to learn that Hayami Honoka's home is a mess. He begins to stay with Hayami Honoka on the condition of doing the house work.
Thirty-year-old Koume Shingyouji leaves her job at a major building firm to join family-run Marufuku Builders. There she teams up with Gennosuke, the Fukuyama family’s eldest son, and starts working on renovations. Koume and Gennosuke start their renovations by taking the measure not of rooms, but the thoughts and feelings of their clients: What does home mean to them? How do they want to live? What do they value? The team’s empathetic connection is what makes their work, work.
When Kirisawa Shogo was a high school student, he was a brilliant amateur boxer. He won 4 boxing tournaments and he seemed to have a bright future in the sport. During his university student days, he quit the sport of boxing. Life went on for Kirisawa Shogo. But, after his beloved wife died, his life has now become a total mess. He doesn't have any hope or desire to live. He just spends his days working part-time jobs to make a living. One day, his friend asks him to coach the boxing team at the high school where they attended. Kirisawa Shogo accepts the coaching position. Being around the young boxers, who work extremely hard, Kirisawa Shogo begins to feel alive once again.
Satoko, a librarian is not confident with herself because she has never been in a relationship although she is 30 years old now. She encounters a gentleman named Ryosuke and falls in love with him instantly. A man who proclaims he is "Stendhal", the author of the French literature "Love Theory" suddenly appears in front of Satoko who hopes to change herself every day. It is a good thing for Satoko who is surprised at seeing this "illusion" which, in her mind, appears because she is so worried about her love. What's more, to make Satoko and Ryosuke have a blossoming love, Stendhal guides Satoko with love secrets and gradually changes her! In this way, they two will become closer. However, Satoko has a "certain past secret" she does not want to be known by anyone...
One day Mio attends a middle school reunion and is reunited with her first love, Shuichi. Her love is rekindled when the guy approaches her, but they get caught up in an incident where members of the reunion start dying one after another.
Set at the Hotel Royal, situated in the marshland of Hokkaido, Japan, and follows the guests, the family that runs the hotel, and the hotel's staff. Masayo Tanaka is the only child of the family that runs Hotel Royal. She failed to enter an arts school and she now works at the hotel. She does not show her emotions to anyone.