The 2019 drama Hotel Del Lunatook the world by storm with its unique mix of fantasy, romance, and supernatural twists, starring IU and Yeo Jin Goo. Now, fans have something fresh to look forward to—a “male-centered” version of the hit show is in the works, tentatively titled Grand Galaxy. This new project, penned by the famous Hong Sisters, will land on Netflix as an original series, with a release planned for 2026 or later. Here’s everything we know so far about this exciting spin-off, including the latest casting updates.
Fans of the original will remember Hotel Del Luna as the story of a top hotelier, Goo Chan Sung (played by Yeo Jin Goo), who ends up managing a mysterious hotel for ghosts after a twist of fate. He teams up with the hotel’s stunning yet quirky owner, Jang Man Wol (played by IU), who’s been running the place for over a thousand years due to a past mistake. Together, they face ghostly guests, unravel past secrets, and build a bond that tugs at the heartstrings. Grand Galaxy flips the script, putting a male lead at the center of a similar supernatural tale, and it’s already sparking buzz about who will step into the spotlight.
Right after the title, here’s the scoop that’s got everyone talking: Grand Galaxy is shaping up to be a must-watch, with whispers of a dream team in the making. The Hong Sisters, known for their knack for blending fantasy and emotion, are behind this one too, promising a story that’s just as gripping as its predecessor.
Casting Buzz: Lee Do Hyun and Go Min Si in Talks
The casting process for Grand Galaxy is still underway, but two big names are already making waves. Lee Do Hyun, a rising star in the K-drama world, is reportedly reviewing an offer to take on the male lead role. Known for his standout performances, he’s got fans excited about what he could bring to this supernatural hotel tale.
Joining him might be Go Min Si, who was offered a role back in January 2025 and is said to be leaning toward saying yes. While her exact character hasn’t been revealed, the idea of her starring alongside Lee Do Hyun has set the internet ablaze. The two have history—they played siblings in Netflix’s hit monster series Sweet Home (2020) and later melted hearts as a romantic pair in KBS2’s tearjerker Youth of May (2021). Their proven chemistry, both as family and lovers, has fans rooting for this reunion.
Since Grand Galaxy is being called the “male version” of Hotel Del Luna, all eyes are on who will play the central figure—a man tangled in a ghostly hotel’s mysteries. If Lee Do Hyun signs on, he’d likely step into a role similar to Jang Man Wol’s—a complex, possibly cursed character with a deep backstory. Go Min Si, meanwhile, could take on a key supporting role, perhaps the grounded counterpart who helps him navigate this eerie world. Their past teamwork only adds to the excitement about how they’ll light up the screen together.
What We Know About Grand Galaxy So Far
Details about Grand Galaxy are still under wraps, but here’s what’s clear: it’s a Netflix original, meaning it’ll reach a global audience right from the start. The Hong Sisters, who wrote Hotel Del Luna, are crafting this story too, so expect their signature mix of humor, heart, and otherworldly charm. The working title, Grand Galaxy, hints at a grand, cosmic vibe—maybe a hotel that’s more than just a stop for ghosts, with a scale that could stretch beyond Earth itself.
The original Hotel Del Luna was set in a hidden hotel in Seoul, visible only under special conditions like a lunar eclipse, serving spirits with unfinished business. Grand Galaxy might follow a similar setup but with a fresh twist—perhaps a male hotel owner with his own ancient burden, running a place that’s just as strange and magical. With Netflix backing it, the production could go bigger, with top-notch visuals and effects to match the Hong Sisters’ wild imagination.
Casting is still in progress, so the 2026 release date isn’t set in stone—it could slip to later if more time is needed. For now, the focus is on locking in the leads and building a crew that can bring this vision to life.
Ties to Hotel Del Luna: A New Chapter or a Fresh Start?
Fans of Hotel Del Luna will recall its memorable ending, where Kim Soo Hyun made a cameo as the new owner of Hotel Blue Moon, sparking talk of a sequel. While some hoped he’d lead a follow-up, Grand Galaxy seems to be a different beast—not a direct continuation but a spiritual successor with a male-driven story. There’s no word yet on whether Kim Soo Hyun will pop up again, but his cameo left the door open for connections between the two shows.
The Hong Sisters could weave in subtle nods to the original—like a shared universe of ghostly hotels—or keep Grand Galaxy standalone. Either way, the “male version” label suggests a shift in focus, putting a man’s journey front and center while still echoing the emotional depth that made Hotel Del Luna a hit.
Why This Pairing Has Fans Buzzing
Lee Do Hyun and Go Min Si aren’t just random picks—their past projects prove they’ve got the chops for this. In Sweet Home, they tackled chaos and survival as siblings, showing off their ability to play off each other in tense, dramatic scenes. Then, in Youth of May, they turned up the romance as a couple caught in a tragic love story set during the 1980 Gwangju Uprising. Their range, from action to raw emotion, makes them a perfect fit for a drama that’ll likely blend spooky thrills with heartfelt moments.
Fans are already dreaming up what their dynamic could look like in Grand Galaxy. Will Lee Do Hyun play a brooding hotel owner haunted by his past? Could Go Min Si be the sharp-witted human who stumbles into his world? Whatever the roles, their track record promises sparks—and maybe a few tears.
What’s Next for Grand Galaxy
With casting still unfolding, more news should drop in the coming months. If Lee Do Hyun and Go Min Si sign on, expect official announcements to confirm their roles and maybe hint at the plot. Other actors could join the lineup too, filling out the hotel’s staff or ghostly guests, much like the colorful crew in Hotel Del Luna.
The 2026 timeline gives the team plenty of room to polish the script, scout locations, and craft a world as unforgettable as the original. Netflix’s involvement means it’ll be a global event, with fans worldwide tuning in to see how this male-led spin-off stacks up.
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