{"schema_version":"bf_book_companion_v1","release_id":"20260418T162306Z","book":{"amazon_purchase_url":"https://www.amazon.com/dp/1634423615?tag=bookfrontier-20","asin":"1634423615","authors":["Inutoki","Syohei"],"book_id":"9781634423618","canonical_url":"https://bookfrontier.com/books/a-hero-in-the-demon-s-castle-1634423615","cover_image_url":"https://img.bookfrontier.com/9781634423618.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","description":"To an immortal, all-powerful Demon Lord like Wisped, fending off heroes is a daily occurence. However, as he was not born to be in battle, Wisped's heart was filled with nothing but loneliness, until one day when he met with a hero named True. Thinking that the guffawing, unarmed man had come to defeat him, the boy instead asked him an absurd question... \"Could I live in your castle?\"","forthcoming":false,"isbn13":"9781634423618","publication_date":"20230714","publisher":"DENPA","slug":"a-hero-in-the-demon-s-castle","subtitle":"","title":"A Hero in the Demon's Castle"},"discovery":{"categories":{"all":[{"bisac_code":"CGN004130","confidence_band":"medium","label":"LGBTQ+ Manga","score":0.8105,"source":"bisac_hint_model"},{"bisac_code":"CGN004300","confidence_band":"medium","label":"Isekai Manga","score":0.7945,"source":"bisac_hint_model"},{"bisac_code":"CGN004120","confidence_band":"medium","label":"Fantasy Manga","score":0.7892,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"CGN004130","confidence_band":"medium","label":"LGBTQ+ Manga","score":0.8105,"source":"bisac_hint_model"},{"bisac_code":"CGN004300","confidence_band":"medium","label":"Isekai Manga","score":0.7945,"source":"bisac_hint_model"},{"bisac_code":"CGN004120","confidence_band":"medium","label":"Fantasy Manga","score":0.7892,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"CGN004120","confidence_band":"high","label":"Fantasy Manga","score":1,"source":"onix_publisher_code"},{"bisac_code":"CGN004130","confidence_band":"high","label":"LGBTQ+ Manga","score":1,"source":"onix_publisher_code"},{"bisac_code":"CGN004210","confidence_band":"high","label":"Yaoi Manga","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"LGBTQ+ Manga","score":0.8105,"slug":"lgbtq-manga"},{"label":"Isekai Manga","score":0.7945,"slug":"isekai-manga"},{"label":"Fantasy Manga","score":0.7892,"slug":"fantasy-manga"}],"reader_fit":["Good for readers who enjoy LGBTQ+ Manga","Good for readers interested in fantasy","Good for fans of Manga"],"related_lists":[],"series":null,"similar_books":[{"authors":["Touya","Yoimachi","REN SAKUMA","& 0 more"],"book_id":"9781646093731","cover_image_url":"https://img.bookfrontier.com/9781646093731.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","score":13.6533,"title":"The Villainess's Guide to (not) Falling in Love 04 (manga)","url":"https://bookfrontier.com/books/9781646093731"},{"authors":["Rui Tsukiyo","Hideaki Yoshikawa"],"book_id":"9781645057741","cover_image_url":"https://img.bookfrontier.com/9781645057741.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","score":11.6859,"title":"Dungeon Builder: the Demon King's Labyrinth Is a Modern City! (manga) Vol. 3","url":"https://bookfrontier.com/books/9781645057741"},{"authors":["Masahiro Morio"],"book_id":"9781638583479","cover_image_url":"https://img.bookfrontier.com/9781638583479.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","score":11.3577,"title":"Call Girl in Another World Vol. 5","url":"https://bookfrontier.com/books/9781638583479"},{"authors":["Hiroshi Noda","Takahiro Wakamatsu"],"book_id":"9798893730197","cover_image_url":"https://img.bookfrontier.com/9798893730197.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","score":11.3345,"title":"No Longer Allowed in Another World Vol. 9","url":"https://bookfrontier.com/books/9798893730197"},{"authors":["Masahiro Morio"],"book_id":"9781638581925","cover_image_url":"https://img.bookfrontier.com/9781638581925.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","score":11.3017,"title":"Call Girl in Another World Vol. 4","url":"https://bookfrontier.com/books/9781638581925"},{"authors":["Masahiro Morio","Jennifer Ward"],"book_id":"9781648275036","cover_image_url":"https://img.bookfrontier.com/9781648275036.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","score":11.2873,"title":"Call Girl in Another World Vol. 2","url":"https://bookfrontier.com/books/9781648275036"},{"authors":["Ashi","Keyaki Uchiuchi","Kaoming","& 0 more"],"book_id":"9798893737875","cover_image_url":"https://img.bookfrontier.com/9798893737875.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","score":11.2372,"title":"This Is Screwed Up, But I Was Reincarnated As a GIRL in Another World! (manga) Vol. 18","url":"https://bookfrontier.com/books/9798893737875"},{"authors":["Ryo Shirakome","Misaki Mori"],"book_id":"9781642757613","cover_image_url":"https://img.bookfrontier.com/9781642757613.jpg?v=20260418T162306Z%3A2026-04-19T10%3A16%3A55Z","score":11.2085,"title":"Arifureta: I Heart Isekai Vol. 1","url":"https://bookfrontier.com/books/9781642757613"}],"topics":[{"evidence_refs":["keyword:bl, yaoi, fantasy, romance, comedy, action"],"label":"Romance","score":0.8381,"slug":"romance"},{"evidence_refs":["keyword:bl, yaoi, fantasy, romance, comedy, action"],"label":"Fantasy","score":0.4805,"slug":"fantasy"},{"evidence_refs":["keyword:bl, yaoi, fantasy, romance, comedy, action"],"label":"Action","score":0.0669,"slug":"action"},{"evidence_refs":["keyword:bl, yaoi, fantasy, romance, comedy, action"],"label":"Comedy","score":0.0469,"slug":"comedy"}],"what_you_get":["Themes: Romance, Fantasy, Action.","Reading lane: LGBTQ+ Manga and Isekai Manga.","Publisher: DENPA."]},"llm_signals":null,"source_presence":{"amazon":true,"book_detail":true,"goodreads":true,"llm_signals":false,"similarity_seed":true},"stats":{"amazon_ratings_count":14,"goodreads_ratings_count":102,"goodreads_reviews_count":13,"quality_score":0.874}}