Kobo Kanaeru Covers "Knight of Firmament" and It's Absolutely Breathtaking

When Kobo Kanaeru decides to step outside her usual energetic, chaotic comfort zone and do something genuinely beautiful, she reminds everyone exactly how gifted a vocalist she is. Her cover of Knight of Firmament, uploaded on May 21, 2026, is exactly that kind of moment — and it’s one of the most striking things she’s released.

The Original: A Hidden Gem From Cytus

Knight of Firmament originally comes from Cytus, the acclaimed rhythm game by Rayark Inc. It was composed by Eye XY (Xiao Yian), with lyrics by Nozomu and vocals by Yoneko. The song serves as the fifth track of Chapter K in Cytus, and was also used in the trailer for that chapter. Its subtitle is “The Chevalier” — chevalier being the French word for knight.

The title itself refers to a knight of the sky, and the story behind the song centers on Iris, the blue knight, who grows up and becomes a warrior pledging herself to protect someone she loves — even if it costs her everything. The lyrics paint the image of a blue flower in full bloom, offering up her sword and shield, standing tall among tall trees and reaching toward the light even while being mocked, driven by a promise she intends to keep no matter what.

It’s a song that carries real weight — lyrical, cinematic, and emotionally layered. Choosing to cover it says something about where Kobo is as an artist right now.

The Sound: Delicate, Powerful, and Beautifully Controlled

What immediately stands out in this cover is the restraint. Kobo doesn’t try to overpower the song — she lets it breathe. The arrangement, handled on instruments by Rexana Noer F., keeps the original’s classical, anime-inspired atmosphere intact while giving it a fresh clarity that suits Kobo’s vocal tone perfectly.

Kobo’s voice moves through the track with an almost ethereal quality in the quieter verses — soft, measured, carrying the sadness and resolve of the lyrics without ever tipping into melodrama. But when the song opens up and demands more, she rises to meet it. The chorus has a fullness to it that genuinely surprises — there’s power underneath all that delicacy, and she uses it precisely when the song calls for it.

The mixing and mastering by Rajasa, who also handled harmony guidance, deserves real credit here. The vocals sit perfectly in the mix — close enough to feel intimate, open enough to let the instrumental frame them properly. Nothing is buried, nothing is harsh. It sounds polished in a way that respects the source material without being overly reverent.

Why This Cover Works So Well

Knight of Firmament is a song about unwavering devotion — about a knight who stands firm even when everything around them has crumbled. At its core, it tells the story of a knight who swears loyalty and vows to right all wrongs with their sword, no matter what. That theme of quiet, unshakeable resolve is something Kobo brings to the vocal performance in a way that feels genuine rather than performed.

There’s also something fitting about a hololive Indonesia talent choosing a song rooted in Japanese game music culture and delivering it with this level of care and craft. The Cytus community has long held Knight of Firmament as one of the game’s most beloved tracks, and this cover does it full justice.

The illustration by moehime and video direction by SkyAkame round the package out beautifully — the visuals carry the song’s knightly, melancholic aesthetic with a grace that makes the whole release feel cohesive from start to finish.

A Side of Kobo Worth Paying Attention To

Fans of Kobo Kanaeru know she can be loud, funny, and wonderfully unpredictable. But covers like this one are a reminder that underneath all of that is a vocalist with genuine range and real sensitivity to the music she chooses. She didn’t pick an easy song. She picked a hard one, and she delivered.

If you’ve never heard Knight of Firmament before, this cover is a beautiful introduction to it. And if you’re already a fan of the original, Kobo’s version gives you a reason to fall in love with it all over again.