The title card is shown 58 minutes into the film.

The film gained a considerable amount of notoriety in film festivals around the world for its four-hour duration and themes including love, family, lust, religion and the art of upskirt photography. The first version was originally six hours long, but was trimmed at the request of the producers.

The voyeur photo team meets for the first time in front of Hachikô statue which was a Japanese Akita dog well remembered as "chuken Hachikô" for his remarkable loyalty to his owner for whom he continued to wait at Shibuya Station (Tokyo) for over nine years following his owner's death until March 8, 1935. This story was depicted in Hachi-ko (1987) and Hachi: A Dog's Tale (2009).

This movie received major influence from Seijun Suziki "Fighting Elegy". Both stories deal with catholic backgrounds, friends commending him for breaking school rules, freedom with 'sinning', falling in love with girl he shares house with, seeing girl as his Virgin Mary, and his girl leaving him to join a convent.

The character Lady Scorpion is inspired from the actress Meiko Kaji and her roles in Lady Snowblood and Female Prisoner Scorpion.

The song sung by the Zero Church members in their chapel is "Kuudou desu" (I am a cave), the original Yura Yura Teikoku version of which is featured prominently throughout the film.

Tetsu's car numberplate is 12-25, which can be read as the date of Christmas Day.

This film is in the Official Top 250 Narrative Feature Films on Letterboxd.

Film director Max Landis considers this film to be the greatest ever made.