Blue Box Briefing

Season 1

This work depicts a "five" locked room mystery drama about two high school students, which develops in the first train in the early morning, the family restaurant after school, and the gondola of the Ferris wheel. A word that suddenly changes from everyday life to extraordinary, a psychological warfare on searching each other's minds. Youth, a fragile blue human figure, is depicted in a peculiar situation called a locked room.

Where to Watch Season 1

6 Episodes

Bleak First Train
E1
Bleak First TrainKatogi meets Sappukei on the first train, and together they decide to find out the reason behind their similar choice.
Melon Soda Factory
E2
Melon Soda FactoryKatogi and Sappukei decide to work together to track down the culprit of a street crime. Meanwhile, a small ripple occurs between Sanada, Utako and Nogi.
There is no Ferris wheel in the Wonderland
E3
There is no Ferris wheel in the WonderlandThis work depicts a "five" locked room mystery drama about two high school students, which develops in the first train in the early morning, the family restaurant after school, and the gondola of the Ferris wheel. A word that suddenly changes from everyday life to extraordinary, a psychological warfare on searching each other's minds. Youth, a fragile blue human figure, is depicted in a peculiar situation called a locked room.
Abandoned Cat and Sibling Quarrel
E4
Abandoned Cat and Sibling QuarrelAsa finds a stray cat on the street, but, realizing that she cannot keep it in her appartement, she asks her brother, who is hiding something from her, for help.
Closed Room on March 4, 2:30 PM
E5
Closed Room on March 4, 2:30 PMKusama goes to Susukido's house to drop off some things when she notices something strange in her bedroom. Meanwhile, Katogi and Sappukei embark on a dangerous sting operation.
Seven Wonders of Takubokucho
E6
Seven Wonders of TakubokuchoThrough their diligent investigation, Sappukei and Katogi are finally able to track down the culprit. On the other hand, however, a subtle sense of distance has developed between the two, who were supposed to share a secret.