#who am I - Season 1

Okitegami Kyoko is a beautiful private detective who has a deep love for money. She is also known as the Forgetful Detective. Her memory is reset when she sleeps at night, which means she can strictly adhere to confidentiality requirements. She solves all her cases within a day, whatever they may be. She is the world's fastest detective! There is something really important that Kyoko must never forget, and it is written on her body with a magic pen. “I am Okitegami Kyoko, detective. My memory is reset after one day.” Meanwhile, even though Yakusuke Kakushidate has a crush on Kyoko Okitegami, he is always mistaken by her as the culprit of a case. No matter how close he gets to Kyoko, she totally forgets about him by the next day.

When a man wakes up in the Australian outback with no memory, he must use the few clues he has to discover his identity before his past catches up with him.

A traumatic head injury leaves Sophie with extreme memory loss. In her quest to put the pieces of her life back together—with help from her husband and friends—Sophie begins to question the truth behind her picture-perfect life.

When Lucy Albright and Stephen DeMarco meet at college, they are at that formative age when seemingly mundane choices lead the way to irrevocable consequences. They quickly fall into an addictive entanglement that will permanently alter not only their lives, but the lives of everyone around them.

One year after a mysterious accident left her with amnesia, 17-year-old Cadence returns to Beechwood, an island off Martha's Vineyard, seeking answers. As three generations of the distinguished Sinclair family gather at their private summer utopia, no one will talk about the accident – neither her childhood friends "The Liars" nor her first love Gat, forcing her to uncover the truth herself.

Banri Tada is a freshman at a Tokyo law school. After an accident, he suffers severe memory loss. Despite the incident, he befriends fellow freshman, Mitsuo Yanagisawa, which leads him to the beautiful, yet obsessive, Kouko Kaga.

On Christmas Eve, Hiro Hirono meets a girl named Miyako Miyamura as she chases a purse snatcher. Hiro later finds out that Miyako also goes to the same school as he does and they start hanging out together. This makes Hiro's childhood friend, Kei Shindō, feel left out, so she tries to compete with Miyako for Hiro's affection, creating a love triangle. Meanwhile, Renji Asō meets a girl named Chihiro Shindō at an abandoned train station. He soon learns that Chihiro suffers from a type of amnesia where her memory lasts for only 13 hours. He also discovers Chihiro's dream of writing a novel, but she has never been able to fulfill that dream due to her condition. Renji then decides to help her fulfill that dream.

When an aspiring actress hits it big thanks to a candid Instagram post, the lives of several Tokyo women cross as they struggle to define happiness IRL.

University student Kuno Totono is the type who constantly questions what is taken for granted in society and develops his own theories based on his vast knowledge and unique set of values. One day in autumn, the police come to see him. His university schoolmate has been murdered at a park nearby and the police apparently regard Totono with suspicion. He is asked to come with them for questioning. In the interrogation room, the police are manipulated by Totono who tends to digress from the topic and poke at their contradictions. He even correctly guesses that one of them is troubled about not getting along with the wife and ends up giving advice. However, Totono’s fingerprints are eventually discovered on the murder weapon.

After her mother took the blame for a tragic fire 13 years ago, Anzu plots revenge by working as a housekeeper under a pseudonym for her icy stepmother.