If you needed proof that Junsu (XIA) and the role of L were made for each other, the fact that his first performance of Death Note The Musical Season 4 sold out completely says everything. The K-pop and musical theatre veteran stepped back onto the stage on March 10, 2026, marking his return to a role he has now played across every single season of the Korean production since its premiere in 2015. Here is everything you need to know about this landmark season.
Death Note The Musical Season 4: Overview
| Detail | Info |
| Musical Title | Death Note The Musical |
| Season | 4th Korean Production |
| Venue | D-Cube Link Arts Center, Sindorim, Seoul |
| Run Dates | October 2025 through May 10, 2026 |
| Production Company | OD Company |
| Based On | Japanese manga by Tsugumi Ohba and Takeshi Obata |
| Music | Frank Wildhorn |
| Lyrics | Jack Murphy |
| Book | Ivan Menchell |
| Korean Premiere | 2015 (10th anniversary this season) |
Junsu’s Historic Return as L
Junsu (XIA), real name Kim Jun-su, joined the Death Note The Musical Season 4 cast during the latter half of the production’s run, and the impact was immediate. His first performance on March 10, 2026 sold out completely, with audiences filling every seat at the D-Cube Link Arts Center to witness what many fans consider the definitive portrayal of the iconic detective L in the Korean production.
What makes Junsu’s involvement historically significant is the fact that he has now participated in every single season of the Korean production, making him the only actor to have appeared across all four seasons since the show first premiered in Korea in 2015. The fourth season also marks the 10th anniversary of the musical’s Korean premiere, giving Junsu’s return an added layer of meaning for long-time fans of the production.
Death Note The Musical Season 4 Cast
Death Note The Musical Season 4 features an extensive lineup of acclaimed Korean musical theatre actors rotating across the two central roles of Light Yagami and L:
| Role | Actors |
| Light Yagami | Kyuhyun, Go Eun-sung (Ko Eun-sung), Lim Kyu-hyung |
| L | Kim Junsu (Junsu/XIA), Kim Sung-cheol (Kim Sung-kyu), Tang Jun-sang |
| Supporting cast | Zo Hyung-gyun, Kim Min-seok, Sandeul, Kyuhyun, Kim Sung-chul |
Notable among the Light Yagami cast is Go Eun-sung (Ko Eun-sung), who first appeared as Light in the 2022 revival and has earned particular praise for his vocal projection and the psychological weight he brings to the character’s transformation. His face-offs with Junsu’s L have drawn comparisons to chess matches on stage, with even the smallest shifts in expression generating palpable tension.
Additionally, Sandeul takes his final bow in the production on March 14, and Choi Seo-yeon closes her run on March 22.
What Critics and Fans Are Saying About Junsu’s L
Audience reactions following Junsu’s March 10 performance were overwhelmingly enthusiastic, with fans calling the performance a new career high for his portrayal of L:
“We just witnessed an even more magnetic, powerful XIA-L than last season.”
“A stage so overwhelming it topped the legendary XIA-L.”
“Now I get why Kim Junsu is called the identity of Death Note.”
Reviewers and audiences alike highlighted several specific elements of his performance that set this season apart from previous ones:
- His delivery of L’s signature posture and finger-tapping habits has become even more precisely defined with each season
- His ability to convey L’s razor-sharp deduction process goes beyond physical mannerisms, reflecting deep character analysis built over a decade in the role
- His distinctive vocal tone etches L’s calculations into each scene with a clarity that never wavers
- The psychological tension created in his scenes opposite Go Eun-sung’s Light Yagami left audiences describing the atmosphere as “ice-cold in the best way”
Junsu himself shared his feelings after the first performance on social media. “I successfully finished my first performance of Death Note today. I’m grateful that it ended without any major mistakes,” he wrote. He added: “The energy this production brings is still special. It’s an honour to participate again.”
He also reflected on the ongoing challenge of the role. “Balancing a character that requires restrained charisma with such high tension isn’t easy, but it’s a rewarding challenge. I plan to keep discovering new details throughout the remaining performances.”
Junsu’s Favourite Number and His Connection to the Show
When speaking about the musical in an earlier interview, Junsu named “Where Is Justice” as his favourite number in the production. He noted that although L appears later in the story than Light, the song represents a pivotal symbolic moment and one that he always prepares with particular care ahead of each season.
Junsu also expressed that he has watched Death Note The Musical evolve and grow since its Korean creation, and that deep sense of ownership over the production comes through in every performance. OD Company, the production company behind the musical, responded to the reception of his return by stating: “Junsu is an actor who symbolises ‘Death Note.’ His participation is further elevating the intensity of the performances in the latter half of the season.”
About Death Note The Musical
Death Note The Musical is based on the globally beloved Japanese manga series created by Tsugumi Ohba and Takeshi Obata. The story follows Light Yagami, a genius high school student who discovers a supernatural notebook called the Death Note that grants its user the power to kill anyone simply by writing their name. Light begins using it to purge the world of criminals under the alias Kira, triggering a breathless battle of wits with the enigmatic master detective L.
The musical features a score by Frank Wildhorn, lyrics by Jack Murphy, and a book by Ivan Menchell. The Korean production first premiered in 2015 and has now entered its fourth season, marking a decade of its presence on the Korean musical theatre stage. The production is known for its immersive staging, comic-inspired visual framing, and psychologically complex musical numbers that bring the inner lives of both leads to the surface.
When and Where to Watch Death Note The Musical Season 4
Death Note The Musical Season 4 runs through May 10, 2026 at the D-Cube Link Arts Center in Sindorim, Seoul. Tickets for performances featuring Junsu sold out upon availability, so fans hoping to attend his remaining shows should monitor the official OD Company ticketing channels closely for any additional seats or newly scheduled dates.
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