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 "title": "Color Rush (컬러 러쉬)",
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 "excerpt": "Color Rush (컬러 러쉬) is a 2020-2021 South Korean BL mystery-romance web series adapted from Se Sang's web novel, starring Yoo Jun and Hur Hyun-jun as a colorblind \"mono\" and his \"probe\", with a sequel in 2022.",
 "snippet": "Color Rush (컬러 러쉬) is a 2020-2021 South Korean BL mystery-romance web series adapted from Se Sang's web novel, starring Yoo Jun and Hur Hyun-jun as a colorblind \"mono\" and his \"probe\", with a sequel in 2022.",
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 "markdown": "# Color Rush (컬러 러쉬)\n\n**Color Rush** (컬러 러쉬) is a South Korean mystery-romance web series in the Boys' Love (BL) genre, adapted from the web novel of the same name by Se Sang (세상), in which a colorblind high school student regains color vision only in the presence of his destined \"probe\".<sup>[1](https://the-bl-xpress.com/2022/01/03/color-rush-series-review-ep-1-to-8/)</sup> It stars Yoo Jun (유준) as Choi Yeon Woo and Hur Hyun-jun ([허현준](https://www.edgepedia.org/hyunjun)) as Go Yoo Han, and was written and directed by Park Sun Jae.<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup> The first season ran eight short episodes from December 30, 2020 to January 21, 2021, and a second season followed in 2022.<sup>[3](https://www.dramabl.com/drama/color-rush/)</sup>\n\n| Key fact | Detail |\n|---|---|\n| Original title | 컬러 러쉬 (Keolleo Reoswi)<sup>[3](https://www.dramabl.com/drama/color-rush/)</sup> |\n| Source | Web novel \"Color Rush\" by Se Sang (세상)<sup>[1](https://the-bl-xpress.com/2022/01/03/color-rush-series-review-ep-1-to-8/)</sup> |\n| Season 1 run | 8 episodes of about 15 minutes, December 30, 2020 to January 21, 2021<sup>[3](https://www.dramabl.com/drama/color-rush/)</sup> |\n| Lead cast | Yoo Jun as Choi Yeon Woo; Hur Hyun-jun as Go Yoo Han<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup> |\n| Director and writer | Park Sun Jae; production companies Storywiz and Convergence TV<sup>[3](https://www.dramabl.com/drama/color-rush/)</sup> |\n| Korean platforms | Seezn, Wavve, Naver Series On, and Skylife VOD; internationally Viki, Viu, and LINE TV<sup>[4](https://tv.apple.com/ca/show/color-rush/umc.cmc.49g1kng8x18p629vdvfmphh1p)</sup> |\n| Sequel | Color Rush 2, 8 episodes, released January 21, 2022<sup>[5](https://www.viki.com/tv/38313c?locale=en)</sup> |\n\n## Spoilers\n\n### Premise\n\nThe series is built on a fictional condition called \"mono\": people with a neurological color blindness who see the world only in shades of gray, black, and white.<sup>[1](https://the-bl-xpress.com/2022/01/03/color-rush-series-review-ep-1-to-8/)</sup> Each mono has one fated person, a \"probe\", whose presence triggers a \"color rush\", a sudden flooding of the mono's vision with color; the effect lasts only while the two are near each other.<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup>\n\nThe story follows Choi Yeon Woo, a high school student who has lived his whole life in grayscale and whose mother disappeared years earlier.<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup> On his first day at a new school he meets his classmate Go Yoo Han, a K-pop trainee who turns out to be his probe.<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup> Yeon Woo's first color rush is overwhelming enough that he loses consciousness afterward, and his first impulse is to avoid Yoo Han, because in the series' world monos are stigmatized as obsessively dependent on their probes; news reports within the story portray them as psychologically dangerous people who have hurt their probes.<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup> As the boys grow closer, the romance becomes entangled with the mystery of Yeon Woo's missing mother, which his aunt Yi-rang has been investigating.<sup>[3](https://www.dramabl.com/drama/color-rush/)</sup>\n\nYoo Han carries a mirrored condition: he suffers from face blindness and cannot recognize anyone's face, with Yeon Woo as the only exception, so each is the other's \"remedy\".<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup> The first season ends with the two together, but leaves the mother's disappearance unresolved.<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup>\n\n## Production and release\n\nSeason 1 was written and directed by Park Sun Jae and produced by Storywiz and Convergence TV.<sup>[3](https://www.dramabl.com/drama/color-rush/)</sup> It premiered in South Korea on Seezn, Wavve, Naver Series On, and Skylife VOD on December 30, 2020, and streamed internationally on Viki, Viu, and LINE TV, concluding on January 21, 2021.<sup>[4](https://tv.apple.com/ca/show/color-rush/umc.cmc.49g1kng8x18p629vdvfmphh1p)</sup> Both leads were rookie actors at the time; the role was Hur Hyun-jun's acting debut.<sup>[1](https://the-bl-xpress.com/2022/01/03/color-rush-series-review-ep-1-to-8/)</sup><sup> • </sup><sup>[6](https://lovewithoutgender.com/2021/01/24/color-rush-%EC%BB%AC%EB%9F%AC-%EB%9F%AC%EC%89%AC-2020-series-review/)</sup>\n\n**Color Rush 2** premiered on January 21, 2022, again directed by Park Sun Jae, with Yoo Jun returning as Yeon Woo and the singer-actor Hyuk joining as classmate Se Hyun.<sup>[5](https://www.viki.com/tv/38313c?locale=en)</sup> In the sequel, Yoo Han has disappeared along with Yeon Woo's mother, and Yeon Woo searches for them while other monos and a television producer investigating the mono-probe phenomenon enter the story.<sup>[5](https://www.viki.com/tv/38313c?locale=en)</sup> A compiled film version of the second season has also circulated on streaming platforms.<sup>[7](https://www.moviefone.com/movie/2/taBcmvkZ2vpAnhZfO4gLy2/where-to-watch/)</sup>\n\n## Reception\n\nReviewers singled out the premise as the series' strength. BL Watcher scored the first season 7.9 out of 10, praising Yoo Jun's emotional performance while criticizing the underdeveloped characterization of Yoo Han and the short runtime, which left the mother mystery unresolved.<sup>[2](https://blwatcher.com/bl-series/color-rush-drama-review/)</sup> The site Love Without Gender gave the season 4.5 out of 5 stars and called for a second season to resolve the disappearance and expand Yoo Han's backstory.<sup>[6](https://lovewithoutgender.com/2021/01/24/color-rush-%EC%BB%AC%EB%9F%AC-%EB%9F%AC%EC%89%AC-2020-series-review/)</sup> On Rakuten Viki, season 1 holds a user rating of 9.3 and season 2 a rating of 8.4.<sup>[8](https://www.viki.com/tv/37605c-color-rush)</sup><sup> • </sup><sup>[5](https://www.viki.com/tv/38313c?locale=en)</sup>\n\n## Color blindness in context\n\nThe series' fictional \"mono\" condition echoes real color vision deficiency, a topic that drew wide attention in South Korea when the 2022 Netflix drama *The Glory* featured a colorblind character.<sup>[9](https://news-en.amc.seoul.kr/news/eng/detail.do?cntId=2735)</sup> According to the [Korea Disease Control and Prevention Agency](https://www.edgepedia.org/korea-disease-control-and-prevention-agency) figures cited by Asan Medical Center ophthalmologist Junyeop Lee, 5.9% of men and 0.44% of women in Korea have congenital color vision deficiencies, compared with 8% of men and 0.5% of women in the [Western world](https://www.edgepedia.org/western-world).<sup>[9](https://news-en.amc.seoul.kr/news/eng/detail.do?cntId=2735)</sup> Congenital red-green defects are inherited through the [X chromosome](https://www.edgepedia.org/x-chromosome), so a woman shows symptoms only if both of her X chromosomes carry the abnormal gene, a mechanism Korean media explained through *The Glory*'s characters.<sup>[10](https://www.donga.com/news/It/article/all/20230130/117659133/1)</sup> Unlike the drama's grayscale world, real red-green color vision deficiency typically does not erase color perception entirely; affected people may fail to distinguish colors when several are mixed together rather than when a color appears alone.<sup>[10](https://www.donga.com/news/It/article/all/20230130/117659133/1)</sup>\n\n## References\n\n1. [\"Color Rush\" Series Review (Ep.1 to 8), The BL Xpress](https://the-bl-xpress.com/2022/01/03/color-rush-series-review-ep-1-to-8/)\n2. [Color Rush – Series Review, Plot, Cast, Episode Guide, BL Watcher](https://blwatcher.com/bl-series/color-rush-drama-review/)\n3. [Color Rush, DramaBL](https://www.dramabl.com/drama/color-rush/)\n4. [Color Rush, Apple TV](https://tv.apple.com/ca/show/color-rush/umc.cmc.49g1kng8x18p629vdvfmphh1p)\n5. [Color Rush 2, Rakuten Viki](https://www.viki.com/tv/38313c?locale=en)\n6. [Color Rush | 컬러 러쉬 (2020) [Series Review], Love Without Gender](https://lovewithoutgender.com/2021/01/24/color-rush-%EC%BB%AC%EB%9F%AC-%EB%9F%AC%EC%89%AC-2020-series-review/)\n7. [Color Rush 2 – Where to Watch, Moviefone](https://www.moviefone.com/movie/2/taBcmvkZ2vpAnhZfO4gLy2/where-to-watch/)\n8. [Color Rush, Rakuten Viki](https://www.viki.com/tv/37605c-color-rush)\n9. [Could I also become color blind like in 'The Glory'? Asan Medical Center Newsroom](https://news-en.amc.seoul.kr/news/eng/detail.do?cntId=2735)\n10. ['더글로리' 전재준이 앓는 적록색약…신호등 구별 못한다?, 동아일보](https://www.donga.com/news/It/article/all/20230130/117659133/1)\n\n---\n*Topic: Encyclopedia › Arts and culture › Screen and stage › Film and television › Series and fictional screen worlds › International serial drama and telenovelas › East Asian drama series › East Asian web and streaming serials › Titles symbols to Co*\n\n*Initially written Oct 3, 2026 · Reviewed: Oct 25, 2026 · Edited: Oct 15, 2026; Oct 21, 2026; Oct 25, 2026; Nov 1, 2026 · Last review: Oct 25, 2026*\n\n*Copyright 2026 EdgeChat AI, a subsidiary of Biostate AI.*\n\nLicense: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license\n",
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