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One Sunny Day
One Sunny Day
One Sunny Day
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One Sunny Day
Promotional poster
Also known asA Good Day
GenreRomance
Directed byKwon Hyuk-chan
StarringSo Ji-sub
Kim Ji-won
Country of originSouth Korea
Original languageKorean
No. of episodes10
Production
Running time12 minutes
Production companyHwa&Dam Pictures
Original release
NetworkLine TV
ReleaseDecember 19, 2014 (2014-12-19) –
January 10, 2015 (2015-01-10)

One Sunny Day (Korean: 좋은 날; RR: Joeun nal) is a 2014 South Korean web series that aired on Line TV from December 19, 2014 to January 10, 2015 for 10 episodes. It was only available on Line TV to Thailand audiences and was not aired in South Korea, but was later released on DramaFever.

Plot

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Kim Ji-ho (So Ji-sub) is a broken hearted man who winds up in Jeju Island for a work project but he keeps running into a girl (Kim Ji-won). Both of them get robbed and have to sleep in the same guest house. They depend on each other for a day as his wallet and her phone got stolen. As they stay in Jeju Island, she heals his broken heart and they fall in love.[1]

Cast

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

One Sunny Day

View on Grokipedia
from Grokipedia
One Sunny Day is a South Korean romantic drama that follows a heartbroken man who travels to for work and unexpectedly develops a romance with a local tour guide. Directed by Kwon Hyuk-chan, the series stars as Kim Ji-ho, a man reeling from his girlfriend's decision to end their affair and marry another, and as the optimistic girl, whose chance encounters with Ji-ho lead to emotional healing and love against the backdrop of Jeju's scenic winter landscapes. Premiering on December 19, 2014, and concluding on January 10, 2015, the 10-episode production—each installment approximately 12 minutes long—was the first drama created for LINE TV, initially available exclusively in Thailand while being filmed on location in Jeju Island during early winter. Produced by Hwa&Dam Pictures, One Sunny Day emphasizes themes of recovery and serendipity, with supporting roles filled by actors including Im Joo-eun as Ji-ho's ex-girlfriend and Lee Jong-hyuk as Young-ho. The series garnered a 6.9/10 rating on IMDb from over 10,000 users and a 7.5/10 on MyDramaList from more than 3,000 viewers (as of November 2025), praised for its concise storytelling, natural performances, and visually captivating portrayal of Jeju Island.

Plot

Synopsis

One Sunny Day follows Kim Ji-ho, a heartbroken and introverted man recently separated from his girlfriend, who travels to Jeju Island for a work project as a producer. Upon arrival, he repeatedly encounters another Kim Ji-ho, a young woman also on the island for professional reasons, leading to awkward initial interactions at the same guesthouse where they are both staying. Their chance meetings escalate when both are robbed of their belongings, forcing them to rely on each other for survival and support, which unexpectedly draws them into closer proximity and shared living arrangements. As the story unfolds across 10 short episodes, the pair engages in daily activities such as preparing meals together, taking walks along Jeju's scenic landscapes, and navigating the island's challenges without resources, gradually breaking down their emotional barriers. The male Kim Ji-ho begins to open up about his lingering guilt and pain from his past , while the female Kim Ji-ho helps him confront these emotions, fostering his emotional healing and mutual understanding. This progression from reluctant companionship to deepening affection builds toward a climactic confession of feelings, culminating in a hopeful resolution that hints at a lasting romance.

Themes

"One Sunny Day" explores themes of emotional recovery from heartbreak, facilitated by serendipitous encounters that allow characters to rebuild their capacity for love. The protagonist, (played by ), arrives on nursing wounds from a recent involving an affair with an engaged woman, where he meets another Kim Ji-ho (), whose cheerful demeanor gradually draws him out of his emotional isolation. This chance meeting underscores the narrative's emphasis on fate and renewal, as the two form a budding connection amid their shared circumstances. Central to the story is the healing power of and isolation, with serving as a transformative backdrop that promotes introspection and restoration. The island's serene landscapes, including beaches, forests, and lighthouses, provide a respite from urban turmoil, enabling the characters to confront their vulnerabilities away from the pressures of city life. This setting amplifies the theme of emotional mending, as the natural beauty of Jeju—characterized by lush greenery and clear blue skies—symbolizes hope and a fresh start, contrasting sharply with the protagonist's painful urban past in . The highlights the simplicity of everyday romance between ordinary individuals, portraying as emerging from mundane interactions rather than dramatic gestures. Through quiet shared experiences, such as exploring the together after a leaves them without possessions, the characters develop trust and intimacy, emphasizing relational dynamics rooted in mutual support. This motif of introversion and vulnerability as initial barriers to is evident in the male lead's hesitant demeanor, overcome gradually by the female lead's warmth, fostering a gentle progression toward openness. Symbolic elements further reinforce these themes, with the persistent sunny weather and Jeju's idyllic scenery representing and personal renewal, while moments of highlight internal growth and the subtle contrasts between the characters' hectic urban histories and their peaceful rural present. incident, in particular, acts as a catalyst for bonding, illustrating how shared adversity can bridge emotional gaps and build genuine trust in an otherwise serendipitous romance.

Cast and characters

Main cast

So Ji-sub portrays Kim Ji-ho, the male protagonist, a reserved man dealing with emotional withdrawal after a recent breakup with his ex-girlfriend. Sent to for a work project, his character embodies quiet introspection and gradual vulnerability as he navigates heartbreak. Kim Ji-won stars as the female lead, also named Kim Ji-ho, an independent and cheerful woman traveling to for her own work assignment. Her empathetic personality and subtle strength provide a supportive presence, fostering the protagonist's emotional recovery through serendipitous encounters.

Supporting cast

Im Joo-eun appears as Kim Ji-ho's ex-girlfriend, a role confined to flashbacks that establish the protagonist's initial heartbreak and emotional context without dominating the present-day narrative. Lee Jong-hyuk portrays Young-ho, Kim Ji-ho's colleague who offers guidance and injects moments of levity through their interactions, supporting the lead's journey on . Lee Jong-hyun plays the couple guy, a peripheral figure in select scenes that underscores relational dynamics and advances minor plot elements alongside his counterpart. Additional supporting roles include Kim Mi-kyeong as Lee Cheon-won and Kim Young-woong as Hyun Chul, who depict the guesthouse owners facilitating communal activities and adding authentic local flavor to the ensemble. Ha Jae-sook and Yoon Joo-hee appear as hostel guests and friends, contributing brief but realistic interactions that ground the story in the island's communal atmosphere.

Production

Development

One Sunny Day was conceived in 2014 as a short romance web series for Line TV, targeting international audiences in Thailand and broader Asia, with an emphasis on a healing love story set in Jeju Island. The project represented So Ji-sub's return to drama after a one-year hiatus following his role in Master's Sun in 2013, marking his first small-screen appearance since then. Produced by Hwa&Dam Pictures, the series was directed by Kwon Hyuk-chan and written by Lee Mi Na, with the script tailored for brevity to accommodate its 10-episode format of approximately 12-minute installments each. Casting announcements occurred in late 2014, with confirmed as the male lead on November 10. was cast shortly thereafter as his co-star, selected for her emerging presence in the industry. The decision to adopt a structure prioritized accessibility and mobile viewing, aligning with Line TV's platform.

Filming

Filming of One Sunny Day primarily took place on location in , , during early winter 2014, with principal photography commencing on November 10 and lasting approximately two weeks, followed by additional filming in . This schedule allowed the production to capture the island's natural beauty, including its beaches, guesthouses such as the Santiago Guesthouse in Seongsan, and expansive landscapes like those at Jeju Folk Village, thereby enhancing the series' romantic atmosphere. The 10-episode web series was shot in sequence over this condensed period to maintain narrative continuity, with the cast and crew, including leads So Ji-sub and Kim Ji-won, working on-site to leverage Jeju's scenic authenticity despite the cooler temperatures of the season. The limited budget typical of web dramas necessitated efficient operations, including a minimal crew focused on practical setups that emphasized the island's ambient environment.

Release

Broadcast

One Sunny Day premiered on December 19, 2014, exclusively on LINE TV, a video streaming platform operated by the LINE messaging app, targeting primarily Thai and international audiences. The series consisted of 10 short episodes, each running approximately 12 minutes, and was released from December 19, 2014, to January 10, 2015. Unlike traditional South Korean broadcasts, it was not aired on domestic television networks in South Korea, making LINE TV the sole initial platform for accessibility. This web series format was tailored for mobile consumption, leveraging LINE TV's integration with the LINE app to facilitate easy viewing and sharing among users in Southeast Asia and beyond. Promotional efforts began in mid-December 2014 with the release of teasers featuring lead actor , building anticipation ahead of the debut. These previews highlighted the series' romantic storyline set on , aligning with LINE TV's strategy to attract mobile-first viewers through quick, engaging content. The short episode length and app-based delivery emphasized convenience, allowing audiences to watch during commutes or breaks without commitment to longer formats.

Distribution

Following its initial exclusivity on targeted at Thai audiences, One Sunny Day expanded to international streaming platforms, including in 2015, where it was made available with English and multilingual subtitles to reach global viewers. The series received no official broadcast in and no DVD or home media release. Post-exclusivity, the drama became freely accessible on various video-on-demand sites, such as , broadening its availability beyond the original platform. As of November 2025, it remains available on platforms including Apple TV, , and . With a compact total runtime of about 2 hours across its 10 episodes, One Sunny Day was marketed primarily through the established fanbases of stars and , without any theatrical rollout or distribution.

Reception

Critical response

Upon its release, One Sunny Day received generally positive feedback from drama reviewers for its relaxed atmosphere and the palpable chemistry between leads and , which contributed to a sense of genuine connection in their romance arc. The series was lauded as an ideal "mini-vacation" or "drama snack," offering an easy-breezy escape through its simple, feel-good narrative set against Jeju Island's scenic backdrop. The cinematography effectively captured the island's natural beauty in a restrained manner, enhancing the story's organic charm without overt commercialization. Critics also pointed out limitations in the drama's execution, particularly its minimal plot development and subdued pacing, which some felt provided a calming respite suitable for the short web format but ultimately lacked emotional depth or tension. Noonas Over Forks described it as a light, enjoyable watch akin to a "" but critiqued the drawn-out moments, excessive flashbacks, and abrupt misunderstandings that hampered momentum, especially given the brevity of its 10 episodes. The overall reception reflected this divide, with an rating of 6.9/10 from 10,159 user ratings (as of November 2025) indicating moderate appreciation. Specific commendations focused on the performances, where So Ji-sub's subtle, expressive portrayal of a heartbroken conveyed quiet vulnerability effectively through minimal dialogue and . Kim Ji-won's role as the cheerful local was praised for its relatability and proactive energy, bringing warmth to the proceedings. Director Kwon Hyuk-chan's naturalistic approach was noted for fostering an authentic, low-key tone that aligned with the story's introspective vibe.

Viewership and popularity

One Sunny Day achieved niche success as a web drama, amassing 7,818 watchers on MyDramaList with an average user rating of 7.5/10 from 3,107 raters (as of November 2025). As the inaugural LINE drama targeted at Thai audiences and accessible via the app, it generated strong initial buzz during its December 2014 premiere, capitalizing on the platform's growing regional presence. Following its exclusive Thai rollout, the series saw steady streaming viewership on international platforms such as , contributing to its sustained accessibility beyond initial release. The drama's popularity was bolstered by the star power of lead actor , whose fanbase from prior hits like drew attention to this lighter web format project. Its relaxing, vacation-like ambiance—set against Jeju Island's scenic backdrop—fostered viral sharing among viewers seeking feel-good romance content, enhancing its appeal as a quick, escapist watch. The series ranked moderately in web drama listings, reflecting its solid but targeted reception within the genre. Although it did not receive formal awards, One Sunny Day is noted for its role in early web drama experimentation.

References

  1. https://www.imdb.com/title/tt10777760/
  2. https://www.rottentomatoes.com/m/one_sunny_day
  3. https://letterboxd.com/film/one-sunny-day/
  4. https://mydramalist.com/11914-one-sunny-day
  5. https://www.justwatch.com/uk/movie/one-sunny-day
  6. https://www.binged.com/streaming-premiere-dates/one-sunny-day-korean-movie-streaming-online-watch/
  7. https://mydramalist.com/11914-one-sunny-day/cast
  8. https://wiki.d-addicts.com/One_Sunny_Day
  9. https://noonasoverforks.com/2015/08/24/one-sunny-day-series-review/
  10. https://www.soompi.com/article/1535322wpp/summer-vibes-6-k-dramas-that-are-set-on-jeju-island
  11. https://thefangirlverdict.com/2021/07/30/flash-review-one-sunny-day-web-drama/
  12. https://www.jaehakim.com/2016/01/one-sunny-day/
  13. https://www.themoviedb.org/tv/71226-one-sunny-day/cast?language=en-US
  14. https://www.soompi.com/article/668613wpp/so-ji-sub-confirms-for-new-web-drama-first-drama-after-masters-sun
  15. https://m.newsen.com/news_view.php?uid=201411101838192410
  16. https://www.interview365.com/news/articleView.html?idxno=69911
  17. https://www.chosun.com/site/data/html_dir/2014/11/10/2014111002458.html
  18. https://blog.naver.com/zse95/220182116256
  19. https://jejufolk.com/bbs/board.php?bo_table=news&wr_id=322&sca=&page=19
  20. https://www.hancinema.net/korean_drama_One_Sunny_Day.php
  21. https://www.youtube.com/watch?v=pTNADVTXitw
  22. https://play.google.com/store/tv/show/One_Sunny_Day?id=E38B0671AE1BF0E3MV&hl=en_US
  23. https://www.iq.com/album/one-sunny-day-2014-1h35e8vdzd9
  24. https://tv.apple.com/kr/movie/one-sunny-day/umc.cmc.1sgrc0l4ci9qg5crqnixfwgqh?l=en
  25. https://www.bilibili.tv/video/2049681029
  26. https://mydramalist.com/11914-one-sunny-day/reviews
  27. https://asianwiki.com/So_Ji-Sub
  28. https://www.kdramalove.com/OneSunnyDay.html
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