A New Breed of Content from Heatpop Studio and the Miniheart Series

HeartPop Studio has publicly positioned itself as a dedicated vertical-series shop with the announcement of their flagship slate titled the Miniheart Series, three vertical shows produced at mainstream drama scale but cut into 1–3 minute episodes designed for mobile feeds.

• “ม้าลาย 9999 ย้อนเวลามาแก้บน” is a romantic fantasy‑comedy about a scandal-plagued actress who time-slips to late Ayutthaya and must make 9,999 zebra offerings to get home, mixing period romance with fish‑out‑of‑water humor.

• “Falling for My Hater (พักหัวใจที่ยัยแอนตี้แฟน)” is a sapphic star‑versus‑exposé‑admin story that blends romance, drama, and light investigation tropes.

• “พี่สาวแฟนเก่า (The Ex’s Sister)” is another sapphic vertical drama built around forbidden affection between a woman and her ex’s older sister, leaning into slow‑burn tension and emotional stakes.

Crucially, HeartPop is casting top Thai talent and running full-blown launch rituals including press events, blessing ceremonies, fan attendances, all signaling that vertical format content isn’t treated as throwaway promo content but as a premium, star‑driven product lines.

Why Vertical Formats, and Why Now?

Vertical micro‑series sit at the intersection of two realities: almost all viewing time for younger audiences is now on smartphones, and algorithmic feeds reward high-output, emotionally spiky content. Instead of fighting the feed, studios are rebuilding the “drama” to live inside it.

Major developments leading to the evolution in formats includes:

• Mobile-first behavior: A significant share of video viewing is now on phones, not TV or laptop, making vertical orientation the path of least resistance.

• Attention windows: Micro-dramas globally have standardized around 1–3 minute episodes, with 60–100 episodes per season, matching scroll behavior and commute-length bursts.

• Monetization proof: In China and on apps like ReelShort in the US, vertical drama has evolved into a billion‑dollar category, with individual platforms reporting around eight-figure monthly revenues, validating the business case for studios and investors.

• IP lab and funnel: For producers, vertical series can double as IP testing grounds, fan‑base builders, and low‑risk pilots before committing to long-form or cross‑platform adaptations.

HeartPop’s Miniheart slate mirrors those global dynamics: aggressive episode brevity championed by the Chinese vertical content originators, featuring emotionally charged hooks, and built‑in franchise potential around romance and fantasy archetypes.

The Thai Adoption Story and Story Types

Thailand is emerging as one of the most natural homes for vertical series because it already exports bite‑sized emotional storytelling via BL/GL dramas, lakorn‑style melodrama, and idol‑driven fandom culture. Vertical simply compresses an existing national strength.

To take advantage of Thailand's current market leading position in content trends, Thai vertical content types focus on:

• Romantic comedy and fantasy: HeartPop’s “ม้าลาย 9999…” wraps classic Thai time‑slip and karmic themes into a vertical micro‑drama; the fantasy hook makes it instantly scroll‑stopping in a crowded feed.

• Sapphic and queer narratives: Two of HeartPop’s three Miniheart shows are sapphic dramas, echoing a broader Thai GL trend and signaling that queer romance is being used as a front‑line genre to drive fandom engagement in vertical.

• Star‑led vertical originals: GMMTV’s “Hearts in Play The Series” is another vertical micro‑series built as an original property rather than a cut‑down from TV, aiming for the same storytelling quality as conventional dramas but in vertical minutes.

• Platform‑native distribution: Thai vertical series are being rolled out first on TikTok, Reels, and similar feeds, with handles like @miniheart.series serving as primary “channels,” not mere marketing afterthoughts.

Narratively, the Thai approach leans into:

• High-concept hooks in episode one (time travel, taboo relationships, celebrity‑vs‑anti‑fan conflict).

• Emotional cliffhangers every minute or two, mirroring Chinese duanju’s “one twist per scene” rule.[10][6]

• Familiar K‑ and C‑drama story DNA including contract love, enemies‑to‑lovers, class and status gaps, all condensed into punchy beats.

A Global Context: From China to Bangkok to Everywhere

Vertical dramas as an industrial category originated in China’s pandemic era, when low‑budget, ultra‑short series took off on mobile‑first platforms and quickly matured into a sophisticated ecosystem that now reportedly rivals the national theatrical box office. That success template, micro‑episodes, emotional excess, aggressive marketing funnels, is now being localized across Asia.

• China: Duanju and vertical mini‑dramas became a massive business during COVID and have since expanded, with revenues crossing into the billions and a full stack of specialized writers, directors, and performance techniques.

• Broader Asia: Countries like South Korea and India are developing stylized mobile dramas, while Southeast Asia, including Thailand, is adapting the vertical playbook to its own fandom‑driven markets.

• West: Apps like ReelShort, often backed by Chinese know‑how, have topped app store charts and demonstrated there is an addressable Western audience primed for the same “soap‑opera short” experience.

Thailand’s participation, via HeartPop, GMMTV, and a growing number of creators experimenting on Reels and TikTok like One31, slots the country into this global wave as both a content exporter and a format innovator.

For the general public, vertical series will increasingly feel less like “phone content” and more like a new type of drama where the default is to binge on the couch in portrait mode rather than sit through 60‑minute TV episodes. For industry professionals, vertical is shifting from experimental marketing spend to a structured P&L line with its own development and release playbook.

What We Expected Over the Next Few Years:

• Dedicated vertical drama labels and units**: More studios will follow HeartPop’s lead by carving out vertical‑only brands with their own showrunners, writers’ rooms, and release calendars.

• Cross‑format IP pipelines: Strong vertical hits will be adapted into long‑form series, films, and even print or webtoon IP, reversing the traditional flow where you cut down TV for digital; Thai romance and BL/GL properties are prime candidates.

• Standardized craft language: Expect industry‑wide norms around pacing (twist frequency), performance style (closer framing, more direct emotional cues), and tech workflows (vertical‑native framing on set) to solidify, similar to how TV once formalized the “act break.”

• More niche vertical ecosystems in Thailand: Beyond romance and fantasy, genres like horror, crime, and workplace comedy are likely to be localized into vertical minis, especially as Thai creators see China’s success with genre diversification.

The addition of independent stand alone studios like Heartpop Studio joining the ranks of established content juggernauts like iQIYI to push vertical content is refreshing. Judging by iQIYI's viral hit Oh That Girl!, we have a lot of great content to look forward to.