Relive your youth! A roundup of nostalgic K-pop boy groups that were popular back in the day

경고NEW!SS501

[MV] SS501 _ 경고

SS501, whose group name embodies the wish to become one forever and succeed, debuted in 2005 and gained popularity with their approachable charm and polished performances.

Not only in Korea, but they also made their Japan debut early on the Asian scene with the single “Kokoro” in August 2007.

They won numerous rookie awards in Korea, and their prowess is unquestionable, having also received the Japan Gold Disc Award in 2008.

Their diverse musicality is another attraction, exemplified by “Because I’m Stupid,” featured on the soundtrack of the drama Boys Over Flowers.

There are countless masterpieces that we hope will be enjoyed by a wide range of listeners—not only those who loved K-pop in their youth.

Twins (Knock Out)NEW!SUPER JUNIOR

SUPER JUNIOR 슈퍼주니어 ‘Twins (Knock Out)’ MV

They’re a legendary group that has led the entertainment scene, drawing people in with their mature confidence and allure.

Debuting in November 2005, they’ve incorporated a wide range of genres—centered on K-pop but also including dance and R&B.

Hits like “SORRY, SORRY” and “Mr.

Simple” have that distinctive groove that’s guaranteed to get stuck in your head.

By 2018, their solo tours had attracted a cumulative audience of over two million, and they’ve continued to rack up wins at numerous awards.

Beyond their overwhelming performance skills, each member’s variety-show savvy shines, creating a uniquely their-own world that feels reassuring.

I especially recommend them to those who enjoyed music in their youth or who want to savor a refined stage at their own pace.

Only OneNEW!shinwa

SHINHWA 신화 ‘Only One’ MV

Shinhwa is a group that represents the first generation of the Korean idol scene and has continued its activities without any member changes.

With a musical style that flexibly incorporates R&B and hip-hop, they have embodied the history of K-pop.

Since their debut in 1998, they have been loved by fans for a long time and rapidly expanded their recognition around 1999.

Among their songs, the works from around the time of the 2004 album “Brand New” brought them many top-class accolades.

The stories of their independence from their agency and their fight to protect their trademark rights also speak to the strength of their bond.

They are a perfect presence for those who want to feel the nostalgic heat of K-pop.

O.KNEW!B1A4

B1A4 – O.K (Full ver.)

B1A4 exudes a cozy familiarity and refreshing melodies that are a pleasure to the ears.

After debuting in Korea in 2011, they have been active across a wide range of genres, from dance-pop to funky tracks.

Known for the members’ direct involvement in songwriting and composition—starting with their debut track “O.K”—they have received high acclaim both at home and abroad, including winning the New Artist Award at the Japan Gold Disc Awards in 2013.

Rather than relying on flashy concepts, they have broadened their support through approachable sounds and warm personalities.

Now operating as a three-member group with an independent company, they continue to cherish and preserve the group’s history.

They are highly recommended for anyone seeking the glow of nostalgic youth or music that warms the heart.

BoyfriendNEW!BOYFRIEND

보이프렌드(BOYFRIEND) – Boyfriend Music Video

Debuting in South Korea in 2011, BOYFRIEND took the scene by storm with their fresh charm.

They also drew attention for having twin members.

It was memorable to see them evolve from an approachable sound centered on teen pop and synth-pop to a more dramatic world that incorporated orchestral elements as their activities progressed.

Their debut track “Boyfriend,” released in May of the same year, still shines in fans’ hearts as a classic packed with the thrill of first love and boyish innocence.

They won rookie awards, including at the 26th Golden Disc Awards in 2012, and were beloved across borders, even successfully holding a concert at Japan’s Budokan.

Why not revisit your own youth while tracing their journey?

NILLILI MAMBONEW!Block B

[HD] Block B(블락비) _ NILLILI MAMBO(닐리리 맘보) MV

Block B is a K-pop group that stood out with a unique style unconstrained by the conventional idol image.

Centered on hip-hop, their signature sound blends raw energy with humor, and they drew attention for their self-production skills led by ZICO.

Since their debut release “Do U Wanna B?” in April 2011, they have captivated fans at home and abroad with numerous hits.

In Japan, their 2015 single “Very Good (Japanese Version)” became a hot topic, showcasing their success across both Korea and Japan.

The breadth of their expression, grounded in individuality, is truly impressive.

They’re a group I highly recommend to anyone who wants to feel the full heat of hip-hop.

YNEW!MBLAQ

MBLAQ Y MV [HD]

Produced by Rain, one of South Korea’s leading artists, MBLAQ made a dazzling debut in 2009 with their album “Just BLAQ.” With exceptional vocals and highly synchronized dance performances, they left a powerful impact on the music scene of the time.

They also debuted in Japan in 2011, and their album “BLAQ Style” won an award at the prestigious Golden Disc Awards, cementing their reputation as a highly skilled group.

Their diverse musicality incorporating R&B and EDM, along with dramatic and sexy stage performances, are especially captivating.

Their genuine personalities shown on variety shows are also beloved by fans, making them a group highly recommended for anyone who wants to relive the sparkle of youthful nostalgia.