ट्रिविया

In an interview, Ryûnosuke Kamiki (Watanuki) and Hokuto Matsumura (Doumeki), when asked what they would wish for, respectively said they would wish to be taller and have better health.

Director Mika Ninagawa is a fan of the "xxxHolic" manga comic, and had wanted to adapt it into a movie for ten years.

Akagumo is an original character created for the film, and does not appear in the "xxxHolic" manga comic.

This is the second live-action adaptation of Clamp's "xxxHolic" manga comic, after xxxHOLiC (2013).

Kô Shibasaki (Yuko Ichihara) and Ryûnosuke Kamiki (Watanuki) last worked together in Dr. Kotô Shinryôjo (2003), when Kamiki was in elementary school.