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PLAYBACK7 Members Profile

PLAYBACK7 Members Profile & Facts

PLAYBACK7 (also abbreviated as PB7) is a Japanese (although consisting of all Korean members) pre-debut project group. They are set to begin their Japan promotions in November, 2023. As of now, the group is composed of former NIK members Hyeonsu, Kogun and Taehoon, alongside NIK‘s former producer and Supernova member Yoonhak. Yoonhak will primarly work as their producer behind the scenes, but announced he will be on stage with them for the first few performances. The group will follow a graduation system, where members may graduate or get added in the future.

Meaning of the group name: Their wish is for people to PLAYBACK them every day of the week.

PLAYBACK7 Official Colors:

Twitter: @PLAYBACK7_pj
Instagram: @playback7_project
Website: playback7.com

Members Profiles:

Stage Name: Hyeonsu (현수/ ヒョンス)
Birth Name: Kang Hyeon Su (강현수/ カンヒョンス)
Position: Main Dancer, Lead Vocalist, Rapper
Birthday: June 18, 1996
Zodiac Sign: Gemini
Height: 173 cm (5’8)
Weight: 58 kg (127 lbs)
Blood Type: O
Nationality: Korean
Twitter: @NIK_Hyeonsu
Instagram: @kanghyeonsu__
TikTok: kanghyeonsu__

Hyeonsu Facts:
– His birthplace is Daejeon, South Korea.
– In school he earned the nickname “Black Bear”, thanks to his tall and strong build.
– He used to be the top student in his class.
– His special skills are choreographing, street dancing and acrobatics.
– His hobbies are cooking, watching the news, watching Marvel movies and studying everything about planet earth.
– In 2013, he debuted with LC9 under the stage name AO, the group disbanded in 2015.
– Hyeonsu re-debuted in 2017 with BLK under the stage name D.A, however the group disbanded shortly after in 2018.
– In 2019, he participated in Produce X 101 where he ranked 26th.
– In 2020, he participated in the Korean-Japanese survival show G-EGG. He finished 2nd place and made his debut in the final group NIK.
– Hyeonsu trained for a total of 8 years and 3 months including debuting times.


Stage Name: Kogun (고건/ コゴン)
Birth Name: Ko Geon (고건/ コゴン)
Position: Main Vocal
Birthday: March 7, 1997
Zodiac Sign: Pisces
Height: 179 cm (5’10)
Weight: 60 kg (132 lbs)
Blood Type: A
Nationality: Korean
Twitter: @ko_gun_
Instagram: @ko_geon__

Kogun Facts:
– His special skill is singing in a wide range, especially high notes are his specialty.
– His hobbies include writing and composing, and listening to music.
– In 2016, he got added to ZEST but they disbanded before he could debut.
– Kogun re-debuted as a member of Lucente in 2018.
– In 2020, he participated in the Korean-Japanese survival show G-EGG. He finished 7th place and made his debut in the final group NIK.
– His hands are huge and can cover his own face and fellow band members’ face, however because of their big size, his hand gestures tend to look weird when he’s dancing (Pops In Seoul).
– Kogun can fold his own earlobes inside his ear, he does this whenever his ears are cold to keep them warm. But they fall out again if he starts laughing (Pops In Seoul).
– His former Lucente members say that Kogun is like jukebox. He likes to sing and knows every song.
– He knows how to play the piano.


Stage Name: Taehoon (태훈/ テフン)
Birth Name: Park Tae Hoon (박태훈/ パクテフン)
Position: Lead rapper, Vocalist
Birthday: November 23, 1997
Zodiac Sign: Sagittarius
Height: 183 cm (6’0)
Weight: 63 kg (138 lbs)
Blood Type: O
Nationality: Korean
Twitter: @ideataehoon
Instagram: @ideataehoon

Taehoon Facts:
– He was born in Seoul, South Korea.
– His special skills are dancing, singing, rapping and composing.
– Taehoon’s hobbies are reading manga and playing basketball.
– He’s a former BigHit Entertainment trainee.
– He is a former member of the group CODE-V. He got added to the group in 2014.
– In 2020, he participated in the Korean-Japanese survival show G-EGG. Taehoon initially didn’t make it to the final 11, but got added to NIK in 2021 after Sihyuk left.
– He has multiple tattoos: on his chest, wrist and forearm.
– He is part of the music crew Idea Project.


Stage Name: Yoonhak (윤학/ ユナク) (Formerly Spica Yoonhak)
Birth Name: Jung Yoon Hak (정윤학/ チョンユナク)
Position: Producer, Vocalist
Birthday: December 2, 1984
Zodiac Sign: Sagittarius
Height: 180 cm (5’10)
Weight: 68 kg (149 lbs)
Blood Type: O
Nationality: Korean
Twitter: @chyh1202
Instagram: @unagi1202

Yoonhak Facts:
– He was born in Seoul, South Korea.
– Education: Japan Aichi College (Graduated), Kyunghee University (Graduated).
– Yoonhak is a member of Supernova, who debuted in 2007, and its sub-unit Double Ace.
– He was the producer and main host of the survival show G-EGG, and was the person in charge of NIK.
– His hobbies are basketball, driving, watching movies, snowboarding and collecting things like figures, CDs and shoes.
– He became interested in Japan and Japanese because he liked Japanese movies and animation, and he decided to study abroad in Japan due to his interest in the country and culture.
– On October 25, 2011, he enlisted in active duty in the ROK Army. He was discharged on July 24, 2013.
– His Chinese zodiac sign is Rat.
– He appeared in FTISLAND‘s ‘I’m Happy’ music video.
– He played in the dramas My Unfortunate Boyfriend, Bouncer, Fates & Furies and in the movies A Love Song For You and Ichijiku no Mori.
– Yoonhak also starred in the play ‘Confession of Murder’.
– He made his solo debut in 2012 with the EP ‘Waiting 4 You’.

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