{"schema_version":"webtoonlib.llm.chapter.v1.3","generated_at":"2026-07-25T13:36:21.938Z","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":"Blue Lock","slug":"blue-lock-6a3d3a"},"chapter":{"number":124,"release_date":"2025-05-29","last_updated":"2026-02-02T02:26:31.330Z","summary":"The tragic source of the Itoshi brothers' bitter rivalry is finally laid bare. After facing the harsh reality of the world stage in Spain, Sae unilaterally abandoned their shared dream of becoming the world's greatest strikers, declaring his new ambition to be the best midfielder. For a young, adoring Rin, this wasn't a strategic change but a deep betrayal—a shattering of the promise that fueled his entire existence. This single moment of miscommunication and perceived surrender twisted their once-inseparable bond into a cold, vengeful feud, setting the stage for a devastating on-field confrontation born from a broken childhood pact.","summary_source":"graph_aggregator","summary_status":"generated","summary_verification":"unverified"},"summary":"The tragic source of the Itoshi brothers' bitter rivalry is finally laid bare. After facing the harsh reality of the world stage in Spain, Sae unilaterally abandoned their shared dream of becoming the world's greatest strikers, declaring his new ambition to be the best midfielder. For a young, adoring Rin, this wasn't a strategic change but a deep betrayal—a shattering of the promise that fueled his entire existence. This single moment of miscommunication and perceived surrender twisted their once-inseparable bond into a cold, vengeful feud, setting the stage for a devastating on-field confrontation born from a broken childhood pact.","key_events":["Flashbacks reveal Sae abandoning his and Rin's shared striker dream after returning from Spain, sparking their bitter feud."],"characters_involved":[{"name":"Sae Itoshi","role_in_result":"Supporting"},{"name":"Rin Itoshi","role_in_result":"Main"}],"transcript":{"available":false,"reason":"Hardsub chapter — image-only","endpoint":null},"spoiler":{"level":"auto","safe_teaser":"The tragic source of the Itoshi brothers' bitter rivalry is finally laid bare.","spoiler_summary":"The tragic source of the Itoshi brothers' bitter rivalry is finally laid bare. After facing the harsh reality of the world stage in Spain, Sae unilaterally abandoned their shared dream of becoming the world's greatest strikers, declaring his new ambition to be the best midfielder. For a young, adoring Rin, this wasn't a strategic change but a deep betrayal—a shattering of the promise that fueled his entire existence. This single moment of miscommunication and perceived surrender twisted their once-inseparable bond into a cold, vengeful feud, setting the stage for a devastating on-field confrontation born from a broken childhood pact."},"source":{"canonical_path":"/series/blue-lock-6a3d3a/chapter-124","citation_title":"WebtoonLib — Blue Lock #124","content_type":"chapter_summary","last_updated":"2026-07-25T13:36:21.938Z"},"data_status":"complete"},"untrusted":{"user_comments":[]},"see_also":{"for_series_detail":"/llms-series/blue-lock-6a3d3a"}}