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Artists /
Group

BOYNEXTDOOR

KOZ Entertainment

A six-member KOZ Entertainment group telling stories drawn from everyday life.

Artist Overview

BOYNEXTDOOR brings together SUNGHO, RIWOO, JAEHYUN, TAESAN, LEEHAN and WOONHAK. The group’s name suggests familiar boys living next door. Records such as WHO!, WHY.. and HOW? turn ordinary encounters and relationships into connected chapters, with later releases extending that conversational approach.

Agency / label
KOZ Entertainment
Debut
2023
Sources & profile information

Checked Sep 25, 2026. Historical videos may feature an earlier lineup.

Latest Release

The most recent confirmed entries in our release guide.

Out now
Album

포켓몬스터 | 원더보야지

BOYNEXTDOOR performs Fly Away, the opening theme for the Pokémon animation, with an instrumental version.

South Korea

Music Journey

Start at the beginning. Follow BOYNEXTDOOR through 2 selected chapters.

  1. 012023 · WHO!

    A conversational debut

    WHO! · Single

    “One and Only” belongs to WHO!, the three-song project that introduced BOYNEXTDOOR. KOZ describes the group’s music as a way to exchange familiar emotions and stories from daily life. The debut turns that idea into an approachable introduction, with personality and everyday encounters shaping the group’s first recording chapter.

    Release sources
  2. 022024 · HOW?

    The relationship story expands

    “Earth, Wind & Fire” arrives within HOW?, following the connected WHO! and WHY.. projects. That sequence gives the group’s stories of attraction and changing feelings a broader frame. The official video presents another angle on the conversational identity introduced at debut, while the EP supplies the surrounding musical context.

    Release sources

Latest Stories

Selected catalog entries and confirmed upcoming releases.

Album

포켓몬스터 | 원더보야지

BOYNEXTDOOR performs Fly Away, the opening theme for the Pokémon animation, with an instrumental version.

South Korea

More Official Videos

Explore the selected official videos in Music Journey ↑.