It sounds like you're working with a Japanese phrase: 「小海島週7で埋める」 (Koumi-jima shuu 7 de umeru).
According to the database at The Movie Database (TMDB), the anime was released as an Original Video Animation (OVA) consisting of two episodes. koumi-jima shuu 7 de umeru
Genre: The series falls under the "Hentai" genre, featuring themes of hypersexuality and supernatural biological elements. Audience Reception It sounds like you're working with a Japanese
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