//Hagiwa~

hrtz.wav (하츠웨이브) is a five-member South Korean global pop-rock band managed under the Kakao Entertainment record label.

The group was formed on December 23, 2025, from the finalists of the STEAL HEART CLUB band-making project. They officially debuted on April 8, 2026, with the release of their first mini-album, The First Wave.

Meaning of the name hrtz (Hertz): Represents the mind, the soul, and the frequency of sound..wav: Symbolizes unprocessed sound and waves, characterized by their high quality.

Overall concept: The name evokes "waved hearts", seeking to bring a new musical wave that reflects youth.

Members and Positions: The quintet distributes its functions as follows: Riaan: Lead vocals. Keiten: Guitar. Dane: Low. Youn Young-jun: Keyboard. hagiwa: Battery.

Fandom and Discography Details: Fandom Name: hrtz.on (하츠온), which means "heart one". Debut EP: The First Wave, led by the title track "Nineteen". The production explores the emotions of youth, alternating between excitement, confusion, love, and heartbreak.

Popular Songs: They have been very well received on platforms like Spotify, with singles like "You Keep Me Here" and "NINETEEN" standing out.

Key traits of their personality:

Charismatic and Empathic (ENFJ): As an extroverted and feeling-oriented person, he has a magnetic presence. He seeks to genuinely connect with his audience and bandmates. Innovative and creative: He shows great artistic initiative, participating not only in percussion, but also in the composition and writing of songs for his group. Energetic and passionate: Behind the drums, he stands out for his explosive intensity and unique visual style, reflecting his strong dedication to music.

Profile:

Origin: Japan. Occupation: Drummer and influencer. Position in the band: Drummer. Agency: Kakao Entertainment. Interesting Facts: Hidden identity: Since starting her career as an influencer, she has hidden her face behind a mask, so her real name, face, and age are unknown... she also uses a voice alter ego to keep her voice secret as well. Band: hrtz.wav: Hagiwa competed alongside 49 other talents and managed to become part of the final group of 5 members, which confirmed their official debut with Kakao Entertainment.