The series is based on the manga of the same name by J-ta Yamada, which was first published in 2013. The manga gained a significant following in Japan, prompting the production of an anime adaptation. The anime series consists of 12 episodes, each approximately 22 minutes long.

The supporting characters, including Naruo, Akira, Kazuto, Takashi, and Toshiya, add depth and richness to the story. Their interactions and relationships with one another drive the plot forward, creating a dynamic and engaging viewing experience.

The series' attention to detail regarding the time period and setting adds to its authenticity, transporting viewers back to a bygone era. The nostalgic value of the series is high, with many fans appreciating the retro aesthetic and cultural references.

"Go to sleep, Kaito. Tomorrow, we finish packing. And then you go home."