“I'll be there for you / I will be your man…”

Here is a concept for a fan-made video or article connecting the two:

Title: The Eclipse: Wang So’s Wait. Audio: SUGARx (2021 Track). Visuals:

Why it works: The SUGARx track adds a modern, slightly edgy layer to a period drama, symbolizing how Wang So’s love was timeless and didn't belong to just that era.

Moon Lovers: Scarlet Heart Ryeo (released 2016) has inspired a steady stream of fan projects, edits, and alternate-universe posts across social platforms. Below is a concise, blog-style spotlight focused on the tag/ship “Sugarx 2021” — what it typically refers to, why fans love it, how creators approach it, and quick tips for anyone wanting to create or discover related content.