{"entity":{"display_name":"BUTTER","kind":"series","slug":"butter"},"facts":[{"id":"f_7b98d91f9c4ac7579d6ed413","predicate":"mention","value":{"text":"Asako Yuzuki's novel 'Butter' has sold over 2.01 million copies worldwide, with 740,000 in Japan and 1.27 million overseas."},"as_of_date":"2026-06-27","first_seen_at":1782551550,"last_verified_at":1782551550,"confidence":0.9,"sources_count":1}],"relations_incoming":[{"id":"rel_67af114e85224065f1aa31a0","predicate":"writes","subject_slug":"yuzuki-asako","value":{"role":"original"},"as_of_date":"2026-06-27","first_seen_at":1782551550,"confidence":0.9,"sources_count":1}],"relations_outgoing":[],"updated_at":"2026-06-27T13:16:50.000Z","verification_summary":{"contradicted":0,"disputed":0,"overall":"unverified","supported":0,"unverified":2}}