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Let Me Be Your Knight korean drama review
Completed
Let Me Be Your Knight
4 people found this review helpful
by Nelly
Jun 30, 2025
12 of 12 episodes seen
Completed 12
Overall 8.5
Story 8.5
Acting/Cast 9.0
Music 10.0
Rewatch Value 7.5

The unsung Gem of Idol Dramas (and Yes, I’d Buy LUNA Tickets but I came with a Playlist)

I usually give myself a few days before writing a review time to let the drama marinate, for the emotional hangover to wear off, and for me to remember I have a life outside fictional people. But this one? This one had me typing with 15 minutes left to go. My fingers were already twitching before the credits even rolled.

See, I’ve been on the hunt for an idol/romance drama that wouldn’t make me want to throw my remote or worse, book a session with a therapist to work on my anger issues. The last one I attempted (I’m looking at you, The Heavenly Idol 😢) made it barely ten minutes in before I had to abort mission. But like a brave warrior with too much time on their hands, I dove into the MDL database that endless rabbit hole that’s basically the Amazon warehouse of Asian drama tropes and finally stumbled on this hidden gem. Somewhere sandwiched between Business Proposal and Cinderella and the Four Knights, I found my new obsession.

The Story

You don’t even need to get 30 minutes into episode one to know you’ve made a good decision. We’ve got your classic idol group setup but praise be to the drama gods, they capped it at five members instead of pulling a FIFA team stunt. Each one has a distinct personality, their own quirks, flaws, and inner demons. Beneath the glitter and tight leather lies the weight of five hidden pasts and none of them are as lighthearted as the stage lights suggest.

The Leads

Our lead, Yun Tae In (played by real-life idol Lee Jun Young, of Weak Hero Class 2 and Please Pump Up Your Health, Love yes, that title is real), is not just a tortured genius; but he has a problem.Sleepwalking. No seriously he can sleepwalk from Seoul to Mecca if no one stops him. Naturally, his condition is a PR nightmare, so the agency cooks up a plan that will save his life, his career, and most importantly, their profits.

Jung In Sun plays our female lead, and honestly, her life is a hot mess from minute one. One terrible day spirals into a worse one, and thanks to a very convenient case of mistaken identity, she somehow ends up living in a luxury idol dorm like it’s no big deal. Before she can explain anything, she’s knee-deep in the world of LUNA, pretending to be a doctor while juggling five emotionally constipated idols. Honestly, I’d have cracked by episode 3. But she handles it. Quick on her feet, smart when she needs to be, and chaotic in a way that makes you root for her even when you know her fake identity arc is going to come back and bite her eventually. And when it does? Oof. Things get messy.

LUNA

I’m not that deep into the K-pop rabbit hole, but I swear I’d buy LUNA concert tickets today. These guys weren’t just pretty faces with some light lip-syncing and fake guitar strumming. They were an actual, functioning band. They sang. They played instruments. They composed. And they delivered.
Besides Yun Tae In, the emotionally tortured leader and musical genius, we’ve got:

The calm and grounded guitarist Seo U Yeon, who silently judges everyone (a king).

The “drama queen” /Drummist Kim Yu Chan, also a former child actor and walking serotonin shot.

Lee Sin,On the base guitar who doubles as our noona lover and certified “night runner” (more on that later 👀).

And the soft, squishable maknae Woo Ga On on keyboard, who deserves the world and then some.

Most of the cast are idols IRL, and for many of them, this was their first drama and I’ll say it: they nailed it. Not just "good-for-a-first-time" nailed it. Nailed it nailed it.

Okay, but let’s talk... writing.

Listen. I’m tired. Tired of FLs being handed a brain in the first few episodes, only for it to mysteriously vanish when the story hits a wall. Why is it a requirement in Asian drama land that the female lead must lose all common sense by episode 8? Do writers have a clause in their contracts that says, “Must make FL insufferably irrational at least once”? She was pretty solid until she had to make a decision and that's where the writers said "let's make her pitiful,indecisive and emotionless.."

And please, if you're going to market something as a romance drama, then give me actual romance. Not this recycled formula where the male lead turns into a full-blown simp, trailing after a female lead who reacts like she's just seen a man for the first time in her life—flinching like she’s being tasered every time he so much as blinks at her. Toss in a kiss that shows up so late and awkward, you’d think it got lost in the script revisions.

I need actual chemistry. Tension. Moments that make me want to scream into a pillow. If it weren’t for Lee Sin’s late-night escapades (yes, that’s why I called him the night runner), I would’ve called bluff on the entire romance label.

The Music
12 episodes were not enough. Not even close. The songs were just sooo good that I wanted more..more performances, more behind-the-scenes moments, more jam sessions and lyrical breakdowns. The LUNA album which also doubles as the drama's OST is on loop as I type this. And yes, I sing along. Proudly. Due to the fact that I watched those lyrics being written.

Final Thoughts
This drama may not have reinvented the wheel, but it gave me everything I was looking for: music, humor, chaos, a touch of romance (however stingy), and characters that felt real. It touches on themes like mental health, pressure in the idol industry, fan culture, found family, and healing without ever getting too preachy.
It’s sweet, sometimes silly, artistically satisfying, and emotionally rewarding. If you’re a fan of music-based dramas or just want to escape into a cozy K-pop dreamland for 12 episodes, Let Me Be Your Knight is well worth the binge.

Because I'm a generous soul (and clearly nicer than I need to be), I'm dropping LUNA's album playlist right here so you don’t have to go digging for it later. You’re welcome.

https://youtu.be/Wjgk0bt1DZE?si=Gp5OqTdy5SMk6IX1
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