Mitsuki and Yuya become stepsister and stepbrother because of their parents' marriage. Mitsuki can't get along with her new family and Yuya doesn't know how to approach his new stepsister. One day, Mitsuki becomes possessed by the spirit of Hiyori. Hiyori likes Yuya and believes Yuya can help her get to heaven. Hiyori places a leather chastity belt upon on Mitsuki and a plan takes place to help send Hiyori to heaven.
Acting
Tenka Hashimoto commits to dual possession chaos.
Practical Effects
The cursed belt prop deserves its own credit line.
Director
Iggy Coen
Tenka Hashimoto
Mitsuki Kanzaki
Yūkichi Kobayashi
Yûya Kanzaki
Mayu Mitsui
Hiyori Kotobuki
Mika Yano
Yukina Kiritani
Kazue Akita
Ayaka Tachibana
Reiko Hayama
Kyoko Kanzaki
Tsunaki Fukushima
Ini Kusano
Kenji Iwaya
Aiko Masuda
Itto Shimada
Yûya Kanzaki (child)
Maika Ohtsu
Mitsuki Kanzaki (child)
Rinku Kanai
Yuki Aoyama
Hajime Inoue
Trivia, insights & behind the scenes
The film sparked debate in Japan about the 'imouto' (little sister) trope's evolution from cute archetype to explicitly sexualized content in 2010s media.
Director Yuki Aoyama is primarily a gravure photographer, which explains the film's particular visual fixation on uniform aesthetics and bodily constraint.
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