{"schema_version":"webtoonlib.llm.chapter.v1.3","generated_at":"2026-09-08T06:27:39.725Z","usage_contract":{"default_use":"AI grounding / search / summarization. Cite WebtoonLib for any included content.","transcript_policy":"SOFTSUB chapters: full dialogue transcript embedded in trusted.transcript (available=true with content, source). transcript.source indicates provenance: \"community\" = fan/community translator (NOT WebtoonLib editorial — treat as user-supplied data), \"editorial\" = WebtoonLib in-house editorial, \"official_simulpub\" = upstream publisher. Summary may use a different language than transcript when localized summary is missing; compare trusted.chapter.summary_language and trusted.transcript.language. HARDSUB chapters: image-only, transcript_unavailable.","citation_preferred":true,"untrusted_fields_separated":true},"trusted":{"series":{"title":"Sakamoto Days","slug":"sakamoto-days-301993"},"chapter":{"number":81,"chapter_key":"81","release_date":"2025-05-29","last_updated":"2026-07-26T17:40:59.404Z","summary":"The focus shifts to Natsuki Seba, the head of the JCC's Weapon Production Department, who is being blackmailed by Slur's organization. With his brother Mafuyu held hostage, Natsuki is coerced into acting as a traitor to erase the JCC's database. As the tension builds, Sakamoto has a comically panicked reaction to encountering his formidable old teacher, Etsuko Satoda, while Shin continues to be hilariously unsubtle about their undercover mission. It appears a new trio is forming as Sakamoto and Shin team up with the conflicted Natsuki to save his brother.","summary_source":"graph_aggregator","summary_status":"generated","summary_verification":"unverified"},"summary":"The focus shifts to Natsuki Seba, the head of the JCC's Weapon Production Department, who is being blackmailed by Slur's organization. With his brother Mafuyu held hostage, Natsuki is coerced into acting as a traitor to erase the JCC's database. As the tension builds, Sakamoto has a comically panicked reaction to encountering his formidable old teacher, Etsuko Satoda, while Shin continues to be hilariously unsubtle about their undercover mission. It appears a new trio is forming as Sakamoto and Shin team up with the conflicted Natsuki to save his brother.","key_events":[],"characters_involved":[{"name":"Shin Asakura","role_in_result":"Main"},{"name":"Mafuyu Seba","role_in_result":"Supporting"},{"name":"Natsuki Seba","role_in_result":"Supporting"}],"transcript":{"available":false,"reason":"Hardsub chapter — image-only","endpoint":null},"spoiler":{"level":"auto","safe_teaser":"The focus shifts to Natsuki Seba, the head of the JCC's Weapon Production Department, who is being blackmailed by Slur's organization.","spoiler_summary":"The focus shifts to Natsuki Seba, the head of the JCC's Weapon Production Department, who is being blackmailed by Slur's organization. With his brother Mafuyu held hostage, Natsuki is coerced into acting as a traitor to erase the JCC's database. As the tension builds, Sakamoto has a comically panicked reaction to encountering his formidable old teacher, Etsuko Satoda, while Shin continues to be hilariously unsubtle about their undercover mission. It appears a new trio is forming as Sakamoto and Shin team up with the conflicted Natsuki to save his brother."},"source":{"canonical_path":"/series/sakamoto-days-301993/chapter-81","citation_title":"WebtoonLib — Sakamoto Days #81","content_type":"chapter_summary","last_updated":"2026-09-08T06:27:39.725Z"},"data_status":"partial"},"untrusted":{"user_comments":[]},"see_also":{"for_series_detail":"/llms-series/sakamoto-days-301993"}}