The protagonist, Fushigi Mai, who works at the silent cafe "Morning Glory," and her colleague at the cafe, Kamishita Ryo, a younger man who has a close relationship with people, one day enter into a relationship where they "observe" each other. While working together, Mai becomes interested in Ryo, but it's not easy because she has a trauma from her first love and is in a complicated relationship... Meanwhile, Ryo is also interested in Mai, and behind his cool appearance, his feelings for Mai overflow... Will the two be able to open the door to each other's hearts?

Kinosaki Tatsuhiko, a detective at the Tokyo Metropolitan Police Department's First Investigative Division, and his partner Sasazuka Shinpei were active as the No. 1 buddy team with the highest arrest rate. However, one day, Kinosaki's beloved wife Keiko suddenly disappeared. After that, a freelance journalist who was a senior to Keiko was found dead, and Kinosaki became convinced that Keiko had been involved in the incident, but the police did not investigate, and Kinosaki was removed from the investigation. 

The story kicks off with a chance encounter between a man and a woman sparked by their mutual love for chocolate. The catch? Both live with their own anxiety disorders. The man can’t physically touch others, while the woman can’t make eye contact, making their budding relationship both challenging and endearing.

This is a love story about Ogawa Manami, a high school teacher who grew up in a strict family, and Kaoru, a host who is not good at reading and writing, as they search for love despite the obstacles they face. Manami is being pressured to marry a man she met through her father's introduction, and the high school where she works is also facing a crisis of class collapse. She spends her days lamenting, "I want to run away from this place." 

Tokushige Akira works as a general practitioner in a newly established general medicine department of a hospital. The specialty of general medicine is the 19th new field in Japan's medical system, which was previously classified into 18 specialties. Doctor Tokushige Akira examines his patients and takes into account their lifestyles, home environment, and state of mind, regardless of their gender or age. His greatest weapon is not his surgical skills or his ability to detect a disease immediately, but his questioning of patients and listening to what they say. Sometimes he sees through a lie hidden behind a patient's story. Through repeated conversations, he is able to find the best solution and lend a helping hand to their way of life.

Criminologist Himura Hideo seeks the pleasure of murder scenes and announces, “I’ve ever wanted to kill a person”. He appears to be a rather dangerous guy who pursues the ultimate crime. His buddy is the somewhat unreliable mystery novel writer Arisugawa Arisu who observes his investigations. His inferences keep missing the mark at times, but he regards himself as Himura’s protector.

Makoto, 29, is a sales clerk at the advertising agency Adraisa, and dreams of a happy family. She is a hard worker and admired by her colleagues, but in her private life, she is devoted to her selfish and self-centered boyfriend, Hayato, with whom she has been living for three years.

Another year has passed, and Musashi Saburo is now an investigator under BCCT. Together with his colleagues, they investigate an armed group with masks as they take 500 hostages while occupying a broadcasting station.

Ji Eun is a pretty and warm-hearted woman. One day, she wakes up and finds herself changed to a man. She explains the situation to her boyfriend, Park Yun Jae. She begins to use the name Kim Ji Hun and learns how to live as a man from Yun Jae. The two decide not to break up and to wait for her to return to her original female appearance to continue their relationship. They try to figure out a way to make that happen.

Sunwoo Hae was a popular child actor, who shined in his youth. Due to the greed of the adults around him, he lost his shining light. He barely made it through the turmoil and now lives peacefully as a novelist and florist. Suddenly, Seong Je Yeon appears in front of him. Sunwoo Hae and Seong Je Yeon were each other's first love and they helped each other get through the darkest times of their lives. They reunite after 10 years. The appearance of Je Yeon also reminds him of his past.