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K-POP New Song Release [September 2025]

In the K-pop scene, plenty of new songs arrive every month.

Among the tracks released in September 2025, there might be a wonderful song you haven’t discovered yet.

From numbers that made headlines at the time to hidden gems that have been steadily gaining popularity, this article offers a thorough introduction to the songs that came out that month.

Whether you want to keep up with your favorite artists or are looking for a new bias to support, be sure to find a track that catches your ear!

K-POP New Song Releases [September 2025] (21–30)

Count To LoveBOYNEXTDOOR

BOYNEXTDOOR (보이넥스트도어) ‘Count To Love’ Official MV
Count To LoveBOYNEXTDOOR

BOYNEXTDOOR—also making waves as a group produced by Zico—has released the lead track from their second single in Japan, “BOYLIFE,” set for release in August 2025.

As their first original song in Japanese, it features an approachable sound that embraces J-pop trends.

True to fans’ praise that it’s “bursting with exciting energy,” the track vividly captures the flutter and rush of a budding romance.

The single topped the Oricon Weekly Singles Chart, and the music video drew attention for featuring actor Rikuto Itagaki.

It’s the perfect song for when you want to bask in a sweet, cute vibe that mirrors the growing feelings for someone you like.

Upside DownCHANYEOL

CHANYEOL 찬열 ‘Upside Down’ MV
Upside DownCHANYEOL

Chanyeol, who shows his multifaceted talents as a rapper and guitarist in EXO.

This track is the title song of his second solo mini-album, “Upside Down,” released in August 2025.

It’s an electronic rock piece marked by distorted guitars and driving drums, delivering a refreshingly pop-punk-tinged sound.

While depicting the turmoil so intense it makes you want to disappear, it also conveys a strong will to keep fighting without giving up.

Paired with Chanyeol’s deep, resonant vocals, that inner cry really hits home.

It’s an energetic song you’ll want to play when you need a reset or the courage to face challenges.

What You WantCORTIS

CORTIS (코르티스) ‘What You Want’ Official MV
What You WantCORTIS

Cortis, a promising newcomer who burst onto the scene with an unconventional sound.

Debuting from BIGHIT MUSIC—the label behind BTS—in August 2025, their first single is a powerful track that sets hearts ablaze.

Serving as the face of their EP “COLOR OUTSIDE THE LINES,” the song’s sound is strikingly fresh, boldly fusing 60s rock guitars with hip-hop beats.

It carries a fiery message: cross the lines for what you want.

Their treadmill-running stage performance embodied that sense of sprinting momentum, conveying just how serious they are.

Put this on when you want to break through your current limits, and you’ll feel a strong push forward.

UP ALL NITE (Feat. SUMIN)Crush

Crush (크러쉬) – ‘UP ALL NITE (Feat. SUMIN)’ MV
UP ALL NITE (Feat. SUMIN)Crush

A comfortable R&B number that seems to bottle the flutter of a summer-night romance.

It’s a track included on FANG, the mini-album released in August 2025 by Crush, a leading figure in the Korean R&B scene.

This song marks his first release in about a year and nine months, and its whispery vocals and playful delivery leave a strong impression.

With lyrics that capture the thrill of a budding romance, it lets you sink into an intimate mood, like the two of you chatting until dawn.

Featuring Sumin, the interplay between the two adds an even sweeter atmosphere.

It might heighten the romantic mood even more when you listen to it while feeling the summer night breeze, spending time with someone special.

Umbrella (Japanese ver.)D-LITE

[LIVECLIP] 대성(DAESUNG) – Umbrella (Japanese ver.) | D-LITE JAPAN LIVE TOUR 2024 “D’s IS ME” -Encore
Umbrella (Japanese ver.)D-LITE

A Japanese track by Daesung, the main vocalist of BIGBANG.

He’s also popular in Japan as a solo artist, boasting impressive achievements such as topping the Oricon Weekly Chart in 2017 with his EP “D-Day.” Released in August 2025, this song pairs a powerful rock sound with a straightforward desire to protect someone dear.

It conveys warmth and resolve, like an umbrella that shields you from any rain of sorrow.

Reportedly, Daesung was involved in the production himself, and his soulful, enveloping vocals resonate deeply.

It’s a work that gently stays by your side and encourages you when your heart is tired, making it a great recommendation for anyone seeking a heartwarming anthem of support.