{"schema_version":"webtoonlib.llm.chapter.v1.3","generated_at":"2026-07-27T20:58:48.488Z","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":"Leviathan","slug":"leviathan-5cddce","original_title":"심해수"},"chapter":{"number":139,"release_date":"2025-03-08","last_updated":"2026-07-23T20:51:35.508Z","summary":"Based on the source material provided, here is a summary from an expert manga analyst. \\#\\#\\# \\*\\*Overall Synopsis\\*\\* In a post-apocalyptic world submerged by a 70-year monsoon, humanity survives in floating cities while contending with monstrous, mutated sea creatures known as “leviathans.” The narrative follows siblings Bota and Lita Ma, who embark on a desperate journey after Lita contracts a mutating disease from a powerful sea demon. Guided by their guardian, the skilled harpooner Kana, their quest for a cure is perpetually derailed by the violent legacy of their late father, the legendary harpooner Teon Ma, forcing them to confront threats that are both monstrous and deeply human. \\#\\#\\# \\*\\*Key Characters\\*\\* \\* \\*\\*Bota Ma:\\*\\* The younger sibling who begins the story as a vulnerable child. Following the traumatic murder of his father and a significant multi-year time skip, he matures into a capable young warrior who mirrors his father in appearance and skill, eventually wielding his sword. \\* \\*\\*Lita Ma:\\*\\* The older sibling whose infection with a mutating disease serves as the catalyst for the central plot. Her cure is the primary objective, though the mission is consistently sidelined by other conflicts. \\* \\*\\*Kana:\\*\\* A highly skilled harpooner who lost her own parents to a sea demon. She acts as the guardian and mentor to Bota and Lita, having raised and trained them for years. Her character design is noted as a source of recurring \"fanservice\" controversy among readers, creating a tonal clash with the story's grim atmosphere. \\* \\*\\*Teon Ma:\\*\\* The deceased father of Bota and Lita, a legendary harpooner whose past actions and heroic sacrifice cast a long shadow over the present. Conflicts frequently arise from antagonists seeking vengeance against him by targeting his children, and his legacy is a central driving force of the narrative. \\#\\#\\# \\*\\*Narrative Progression and Major Arcs\\*\\* The story arc begins with the siblings' quest for a cure being violently interrupted by the murder…","summary_source":"graph_aggregator","summary_status":"generated","summary_verification":"unverified"},"summary":"Based on the source material provided, here is a summary from an expert manga analyst. \\#\\#\\# \\*\\*Overall Synopsis\\*\\* In a post-apocalyptic world submerged by a 70-year monsoon, humanity survives in floating cities while contending with monstrous, mutated sea creatures known as “leviathans.” The narrative follows siblings Bota and Lita Ma, who embark on a desperate journey after Lita contracts a mutating disease from a powerful sea demon. Guided by their guardian, the skilled harpooner Kana, their quest for a cure is perpetually derailed by the violent legacy of their late father, the legendary harpooner Teon Ma, forcing them to confront threats that are both monstrous and deeply human. \\#\\#\\# \\*\\*Key Characters\\*\\* \\* \\*\\*Bota Ma:\\*\\* The younger sibling who begins the story as a vulnerable child. Following the traumatic murder of his father and a significant multi-year time skip, he matures into a capable young warrior who mirrors his father in appearance and skill, eventually wielding his sword. \\* \\*\\*Lita Ma:\\*\\* The older sibling whose infection with a mutating disease serves as the catalyst for the central plot. Her cure is the primary objective, though the mission is consistently sidelined by other conflicts. \\* \\*\\*Kana:\\*\\* A highly skilled harpooner who lost her own parents to a sea demon. She acts as the guardian and mentor to Bota and Lita, having raised and trained them for years. Her character design is noted as a source of recurring \"fanservice\" controversy among readers, creating a tonal clash with the story's grim atmosphere. \\* \\*\\*Teon Ma:\\*\\* The deceased father of Bota and Lita, a legendary harpooner whose past actions and heroic sacrifice cast a long shadow over the present. Conflicts frequently arise from antagonists seeking vengeance against him by targeting his children, and his legacy is a central driving force of the narrative. \\#\\#\\# \\*\\*Narrative Progression and Major Arcs\\*\\* The story arc begins with the siblings' quest for a cure being violently interrupted by the murder…","key_events":[],"characters_involved":[],"transcript":{"available":false,"reason":"Hardsub chapter — image-only","endpoint":null},"spoiler":{"level":"auto","safe_teaser":"Based on the source material provided, here is a summary from an expert manga analyst.","spoiler_summary":"Based on the source material provided, here is a summary from an expert manga analyst. \\#\\#\\# \\*\\*Overall Synopsis\\*\\* In a post-apocalyptic world submerged by a 70-year monsoon, humanity survives in floating cities while contending with monstrous, mutated sea creatures known as “leviathans.” The narrative follows siblings Bota and Lita Ma, who embark on a desperate journey after Lita contracts a mutating disease from a powerful sea demon. Guided by their guardian, the skilled harpooner Kana, their quest for a cure is perpetually derailed by the violent legacy of their late father, the legendary harpooner Teon Ma, forcing them to confront threats that are both monstrous and deeply human. \\#\\#\\# \\*\\*Key Characters\\*\\* \\* \\*\\*Bota Ma:\\*\\* The younger sibling who begins the story as a vulnerable child. Following the traumatic murder of his father and a significant multi-year time skip, he matures into a capable young warrior who mirrors his father in appearance and skill, eventually wielding his sword. \\* \\*\\*Lita Ma:\\*\\* The older sibling whose infection with a mutating disease serves as the catalyst for the central plot. Her cure is the primary objective, though the mission is consistently sidelined by other conflicts. \\* \\*\\*Kana:\\*\\* A highly skilled harpooner who lost her own parents to a sea demon. She acts as the guardian and mentor to Bota and Lita, having raised and trained them for years. Her character design is noted as a source of recurring \"fanservice\" controversy among readers, creating a tonal clash with the story's grim atmosphere. \\* \\*\\*Teon Ma:\\*\\* The deceased father of Bota and Lita, a legendary harpooner whose past actions and heroic sacrifice cast a long shadow over the present. Conflicts frequently arise from antagonists seeking vengeance against him by targeting his children, and his legacy is a central driving force of the narrative. \\#\\#\\# \\*\\*Narrative Progression and Major Arcs\\*\\* The story arc begins with the siblings' quest for a cure being violently interrupted by the murder…"},"source":{"canonical_path":"/series/leviathan-5cddce/chapter-139","citation_title":"WebtoonLib — Leviathan #139","content_type":"chapter_summary","last_updated":"2026-07-27T20:58:48.488Z"},"data_status":"partial"},"untrusted":{"user_comments":[]},"see_also":{"for_series_detail":"/llms-series/leviathan-5cddce"}}