"Non-rem sleep" means deep sleep. Are the three mysterious short stories that we broadcast this time a dream? Or is it real? Dreams and reality, reality and unreality ... The mysterious bakarhythm world that goes back and forth between them is the "non-rem window."

Ryoko Todo is a detective in the First Investigative Division of the Metropolitan Police Department, and has the highest arrest rate for indoor murder cases. She had an ability. She knows the culprit with her ability. Then another murder occurs. A patient was murdered in the hospital. And one card found under the bed "Who is the liar?" This incident leads to a series of murders. And a crisis came to Ryoko's body.

Young Komori was a virgin. In order to offer her virginity to her first love, she kept her virginity for 25 years. His first love was a girl he met by chance when he was in the first grade of junior high school. But without being able to express her feelings, she moved. Komori travels to Tokyo to find the girl and asks a detective. The detective, who reluctantly accepts Komori's request, discovers that Aiko, a familiar soap lady, is Komori's first love as he investigates.

The story of an yankee leader, finding her love.

A graduate of American Harvard University with a degree in justice, Daigo is a wanderer who steps into the life of Miura Hiroki after seeing the boy bullied. Becoming employed as a teacher at Hiroki's school, Daigo works continually to unearth the source of Hiroki's sadness and try to revitalize his love for life.

When out drinking with her friends, Ayaka meets Hiro and they start a relationship. While they get along great and do a lot of sex, they both start receiving threatening text messages and soon discover they are being stalked by a crazy woman who loves iguanas.

Mai, a university student, has an incredible memory due to an illness she suffered as a child. Her boyfriend Minoru, who noticed Mai's ability to remember everything in an instant, persuades her to use her special ability to play mahjong. Mai is reluctant, but she learns that Minoru has been losing a lot of money at mahjong and is in debt to a man named Akaboshi. Akaboshi sees Mai's ability and suggests that they make some money together.