# WebtoonLib — Sakamoto Days #129 ## Series - title: Sakamoto Days - slug: sakamoto-days-301993 ## Chapter - number: 129 - release_date: 2025-05-29 ### Summary Akira Akao's vengeful infiltration of the enemy's headquarters leads to a direct confrontation with the traitorous Order member, Kanaguri. The showdown takes a mind-bending turn when Kei Uzuki, "Slur," undergoes a shocking transformation. A new personality emerges from within him, revealing itself to be none other than Rion Akao, the very woman whose murder fueled the conflict. In a stunning display, this "Rion" persona effortlessly kills Kanaguri, leaving Akira and readers reeling as the long-dead woman at the center of the war seemingly resurfaces within the body of her own killer. - summary_source: graph_aggregator - summary_verification: unverified ### Key events - Uzuki's Rion Akao personality emerges and defeats Kanaguri. ### Characters involved - Rion Akao — Supporting - Kei Uzuki — Supporting - Kanaguri — Supporting - Akira Akao — Supporting ## Spoiler - level: auto ### Safe teaser Akira Akao's vengeful infiltration of the enemy's headquarters leads to a direct confrontation with the traitorous Order member, Kanaguri. ### Spoiler summary Akira Akao's vengeful infiltration of the enemy's headquarters leads to a direct confrontation with the traitorous Order member, Kanaguri. The showdown takes a mind-bending turn when Kei Uzuki, "Slur," undergoes a shocking transformation. A new personality emerges from within him, revealing itself to be none other than Rion Akao, the very woman whose murder fueled the conflict. In a stunning display, this "Rion" persona effortlessly kills Kanaguri, leaving Akira and readers reeling as the long-dead woman at the center of the war seemingly resurfaces within the body of her own killer. ## Status - data_status: complete - summary_status: generated - transcript: Hardsub chapter — image-only ## See also - [WebtoonLib — Sakamoto Days #129](/series/sakamoto-days-301993/chapter-129) - for_series_detail: /llms-series/sakamoto-days-301993 ## Usage AI grounding / search / summarization. Cite WebtoonLib for any included content.