Eri: Cousin Relationship
The first installment (second one is The Angel's Malady ( 天使の病ひ) 2004) in an erotic film series adapting popular "gals comics" known for their stylish flair. It depicts the delicate relationship between a young man and his wild, unconventional cousin. Based on "Itoko Dōshi" (Cousins) from Naito Yamada's short story collection "Koi ni Niteiru" (Something Like Love).
Below are the streaming services currently carrying the movie “Eri: Cousin Relationship” in the United States, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United States can differ from other countries.
Where to watch Eri: Cousin Relationship in United States
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Not currently available on the supported providers in United States.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 27 Oct 2026.