# WebtoonLib — Oshi No Ko #10 ## Series - title: Oshi No Ko - slug: oshi-no-ko-e5257b ## Chapter - number: 10 - release_date: 2025-05-29 ### Summary In the shocking prologue to the series, the life of superstar idol Ai Hoshino is tragically cut short when she is fatally stabbed by her obsessive fan, Ryousuke Sugano. In her dying moments, witnessed by her young son Aqua, Ai finally expresses genuine, heartfelt love for her children. This devastating event serves as the catalyst for the main story, as a grief-stricken and vengeful Aqua dedicates his life to uncovering the conspiracy behind his mother's murder and seeking retribution. - summary_source: graph_aggregator - summary_verification: unverified ### Key events - Aqua deduces his father leaked Ai's address and vows to find and kill him. ### Characters involved - Ryousuke Sugano — Supporting - Ruby Hoshino — Main - Aquamarine Hoshino — Main - Ai Hoshino — Main ## Spoiler - level: auto ### Safe teaser In the shocking prologue to the series, the life of superstar idol Ai Hoshino is tragically cut short when she is fatally stabbed by her obsessive fan, Ryousuke Sugano. ### Spoiler summary In the shocking prologue to the series, the life of superstar idol Ai Hoshino is tragically cut short when she is fatally stabbed by her obsessive fan, Ryousuke Sugano. In her dying moments, witnessed by her young son Aqua, Ai finally expresses genuine, heartfelt love for her children. This devastating event serves as the catalyst for the main story, as a grief-stricken and vengeful Aqua dedicates his life to uncovering the conspiracy behind his mother's murder and seeking retribution. ## Status - data_status: complete - summary_status: generated - transcript: Hardsub chapter — image-only ## See also - [WebtoonLib — Oshi No Ko #10](/series/oshi-no-ko-e5257b/chapter-10) - for_series_detail: /llms-series/oshi-no-ko-e5257b ## Usage AI grounding / search / summarization. Cite WebtoonLib for any included content.