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Hello Korea > Blog > K-POP > LIGHTSUM to Release First Unit Song, Reinterpreting BTOB Hits 🎤
K-POP

LIGHTSUM to Release First Unit Song, Reinterpreting BTOB Hits 🎤

Last updated: 2026-01-08 11:05 am
Hello Korea Editor
3 Min Read
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LIGHTSUM’s First Unit Dives Deep: Reimagining BTOB’s ‘Beautiful Pain’ for a New Generation! 🎶❤️‍🔥

Here at Hello Korea, we’re always on the pulse of K-pop’s most exciting developments, and this latest announcement has truly captured our attention. Girl group LIGHTSUM is poised to make a captivating return with a remake digital single, introducing their very first unit to the global stage.

Cube Entertainment officially confirmed the highly anticipated release on January 8, unveiling a tantalizing teaser poster via LIGHTSUM’s official SNS channels. The poster not only cemented the song title but also set the stage for its imminent debut. The unit, comprising members Sangah, Chowon, and Juhyeon, is ready to enchant fans with their unique take on a beloved classic.

/사진=큐브엔터테인먼트

The newly released poster evokes a profound sense of winter nostalgia, featuring a handkerchief adorned with merging white and blue watercolors, meticulously packaged in clear vinyl. This visually poetic imagery perfectly complements the remake’s title, ‘아름답고도 아프구나’ (Beautiful Pain), building immense excitement for the release on January 15 at 6 PM KST.

This eagerly awaited digital single marks LIGHTSUM’s inaugural unit activity and is a heartfelt reinterpretation of BTOB’s title track, also named ‘아름답고도 아프구나’, from their 2018 special album ‘HOUR MOMENT’. The original track masterfully encapsulates the complex emotions surrounding happy past memories, the pain of farewell, and the hopeful anticipation of new beginnings.

Speaking of their reinterpretation, Sangah, Chowon, and Juhyeon are set to blend their distinctive vocal colors and harmonious synergy to infuse the original’s lyrical emotion with a fresh, warm sensibility. Hello Korea anticipates this new rendition will deeply resonate with listeners, offering a comforting embrace during the winter season. The unit’s debut promises to deliver a performance that not only honors the original but also showcases LIGHTSUM’s evolving artistry and emotional depth.

Get ready to mark your calendars! LIGHTSUM’s first unit, featuring Sangah, Chowon, and Juhyeon, will release their digital single ‘아름답고도 아프구나’ on January 15 at 6 PM KST across various music platforms.

The power of music to connect eras and emotions is truly remarkable. We anticipate Sangah, Chowon, and Juhyeon will not only honor the original’s legacy but also infuse it with a fresh, healing energy perfect for reflection.

Stay tuned to Hello Korea for all the latest updates on this exciting comeback and more from the dynamic world of K-pop!

Editor: Emily Park ✨

🇮🇩 Read in Indonesian: Click here

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