Tsutsui only learned of the designation five years after the fact, and attempted to overturn it but was ultimately unable to do so; this experience led him to create Yūgai Toshi, which centers around censorship of manga.

A bloodied, naked man is found dead in the city of Sasahara, prompting prefectural police commissioner Ken Mizoguchi and his assistant Nao Inoue to investigate.

[4] Written and illustrated by Tetsuya Tsutsui, the series was serialized in Square Enix's Young Gangan magazine from 2004 to 2006.

[14] Manga News praised the longer length compared to Tsutsui's previous works Duds Hunt and Reset, believing it to have resulted in better pacing.

[5] Tsutsui learned of the ban about five years later in late 2013, when he read a comment in the review section of a retailer's website.

[5] Upon learning of the ban, Tsutsui hired a lawyer and requested Nagasaki Prefecture reverse its "harmful" designation, but they refused.