Takehiko Aoki

Sin is a rock star. He has an amazingly loud voice with a range of four octaves. His secret is that he has created his voice through a method of vocal cord doping. His voice is now teetering on the edge, due to side effects from the vocal cord doping. Around this time, Sin meets Fūka, who is a street musician. When Fūka sings, her voice is so small. Due to Fūka, Sin looks back upon his past.

Shoji Segawa was a quiet and inconspicuous boy, but, for the first time, he is recognized by people after winning the National Middle School Shogi Tournament. At the age of 26, his dream of becoming a professional shogi player collapses due to an age restriction. After he quits playing shogi, he becomes desperate. With the support of his peers, including Yuya Suzuki, and his love of shogi, Shoji Segawa begins to play shogi again. A miracle happens to him.

Masuda, an aspiring journalist, plans to write an article in order to expose his co-worker Suzuki, who is a psychopathic murderer according to Masuda.

In Tokyo, Japan, several grotesque murders take place on rainy days. Detective Sawamura, who is in charge of the case, soon discovers that his own family is connected to the crimes.

Set in the late 21st century, an MRI scanner is introduced at the National Research Institute of Police Science's 9th Forensics Laboratory. The machine is able to scan the memories from even the deceased. As ethical questions arise over the machine's use, the 9th Forensics Laboratory members, including rookie Ikko Aoki and Chief Tsuyoshi Maki, struggle to solve cases.

Mizuki's husband Yusuke has been missing for three years. He suddenly comes back home as a ghost and asks Mizuki to go on a trip with him. Their trip consists of visiting the people that helped Yusuke on his previous travel.

While sorting through a mess of books in the staff room, Ohana happens upon one of Denroku's log books from long ago. Within it, it recounts a story of Ohana's mom when she was the same age as her.

The story of a strange living situation in a 2LDK apartment in suburban Tokyo. There are five residents ranging in age from eighteen to twenty-eight. They are not in any way romantically involved with one another, but one can see subtle hints of affection and friendship among them. In the end, however, none of them really know each other.