Since a specific paper on the 2021 special might be elusive, the "good paper" you need is likely one that analyzes the or the nostalgia phenomenon , which explains why the 2021 special was so significant.
There is no official 2021 broadcast version. “SugarX” is a high-quality fan restoration. This review treats it as the definitive alternate cut. moon lovers scarlet heart ryeo sugarx 2021
In April 2021, during a special birthday live show hosted by Lee Joon-gi, IU (Lee Ji-eun) called in as a surprise guest. They confirmed that a modern-day reunion scene —where Wang So hands a handkerchief to a crying Go Ha-jin (Hae Soo)—was actually filmed but cut from the final broadcast. Since a specific paper on the 2021 special
Lee Joon-gi’s performance was always stellar, but the original cut made his shift into “Cruel King” seem sudden. SugarX adds scenes where he struggles with insomnia, rejects comfort, and isolates himself before the final betrayal. You see the loneliness consume him, making the ending cathartic rather than frustrating. This review treats it as the definitive alternate cut