Miwa (Sayu Kubota), Motoaki (Riku Hagiwara), Ritsu (Fuju Kamio), Aoi (Natsumi Okamoto) and Satoru (Ayumu Mochizuki) have lived at the same apartment complex for years and they are childhood friends. When they were younger, they always played together. Now, they are high school students and they attend the same high school. They are still friends, but their relationships has changed.

Miwa has feeling for Motoaki, but she can’t tell him about her feelings. Motoaki is unaware of her feelings towards him and treats her like a friend. Aoi acts like she is good friends with Miwa, but, Aoi is frustrated by her sense of inferiority and jealousy towards Miwa. Aoi is dating Satoru. Meanwhile, Ritsu complains about the relationships of the other 4 and keeps her distance from them.


  1. Based on manga series “Nibiiro no Hako no Naka de” by Tomohiro Shinohara (first published August 10, 2017 by Line).


Nibiiro no Hako no Naka de-Sayu Kubota.jpg Nibiiro no Hako no Naka de-Riku Hagiwara.jpg Nibiiro no Hako no Naka de-Fuju Kamio.jpg Nibiiro no Hako no Naka de-Natsumi Okamoto.jpg Nibiiro no Hako no Naka de-Ayumu Mochizuki.jpg
Sayu Kubota Riku Hagiwara Fuju Kamio Natsumi Okamoto Ayumu Mochizuki
Miwa Sakurai Motoaki Tsujiuchi Ritsu Sanada Aoi Takatori Satoru Shoji
In the Blunt Box-Miwako Kakei.jpg
Miwako Kakei
Ayame Kono


Episode 01 | Episode 02 | Episode 03

Episode 04 | Episode 05 | Episode 06

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