KJRGL (カジャーグル), formerly known as House of Trainees, is a six-member Japanese and Korean boy group under Sony Music Entertainment. The group members consist of Akira, Kouki, Saeron, Dien, Riku and Isaac. They debuted on September 18, 2024 with the single “Overture ~ The Blue Wave.”
KJRGL Profile
| Debut | September 18, 2024 |
| Active Years | 2024–present |
| KJRGL Members | Akira, Kouki, Saeron, Dien, Riku, Isaac |
| Genre | Pop |
| Status | Active |
| Label | Sony Music Entertainment |
| Oldest Member | Akira |
| Youngest Member | Isaac |
| Former Member | N/A |
| Fandom Name | N/A |
KJRGL Facts:
– The group’s name, KJRGL, is the short form of “Kind(of) Just Right Good Luck”.
– They released a pre-debut single “Prologue ~ The Deepest Blue.”
– The group is under Sony Music Japan and Sony Music Korea and they first debuted in Japan before debuting in Korea.
– KJRGL was formerly known as House Of Trainees/HOT prior to their debut.
Website: kjrgl
SOCIAL MEDIA HANDLES
Instagram: @kjrgl_official
Twitter: @KJRGL_OFFICIAL | @KjrglMembers
TikTok: @kjrgl
KJRGL Members Profile
1. Akira
| Stage Name | Akira (明/아키라) |
| Birth Name | Kawaguchi Akira (川口明) |
| Position | Leader, Vocalist |
| Birthday | June 18, 2000 |
| Active Years | 2024–present |
| Age | 25 (in 2025) |
| Zodiac Sign | Gemini |
| Height | 180 cm |
| Weight | N/A |
| Nationality | Japanese |
| Blood Type | N/A |
| MBTI | INFP |
Akira Facts:
– Akira enjoys playing horror games.
– He is nicknamed “Akky.”
SOCIAL MEDIA HANDLES
Instagram: @akky_donkey
Twitter: @akky_donkey
TikTok: @akky_donkey
YouTube: @akky_donkey
2. Kouki
| Stage Name | Kouki (航紀/코키) |
| Birth Name | Sakamoto Kouki (阪本航紀) |
| Position | Vocalist |
| Birthday | January 9, 2001 |
| Active Years | 2024–present |
| Age | 24 (in 2025) |
| Zodiac Sign | Capricorn |
| Height | 171 cm (5’7″) |
| Weight | 58 kg (128 lbs) |
| Nationality | Japanese |
| Blood Type | A |
| MBTI | INFJ |
Kouki Facts:
– Kouki was born in Chiba, Japan.
– He likes reading manga, especially One Piece.
– He was inspired to pursue music after watching the musical performance of “The Hunchback of Notre Dame” at his school.
– He loves to watch foreign movies.
– He participated on Produce 101 Japan S2 and ranked #21.
– He consisders Takahiro Nishijima as his role model.
– He is good at playing basketball.
SOCIAL MEDIA HANDLES
Instagram: @ko_ki.sakamoto
TikTok: @ko_ki.sakamoto
3. Dien
| Stage Name | Dien (디엔/ディエン) |
| Birth Name | Jung Ho Jin (정호진) |
| Position | Vocalist |
| Birthday | February 27, 2003 |
| Active Years | 2024–present |
| Age | 22 (in 2025) |
| Zodiac Sign | Pisces |
| Height | 184 cm (6’0″) |
| Weight | N/A |
| Nationality | Korean |
| Blood Type | N/A |
| MBTI | ENFP |
Dien Facts:
– Dien left M.I.C prior to their debut.
– He considers The Boyz‘s Q and TXT‘s Yeonjun as his role model.
– The body parts he is most confident about are his long legs and cheeks.
– His specialties include walking like an ostrich, gorilla and giraffe, and dancing to girl group songs.
– He participated on the show “Boys Planet.”
– He was formerly a part of DSP N which later came to be MIRAE.
– He likes talking to people on phone, taking pictures, trying new restaurants and meeting at cafes.
– He is fluent in Japanese.
– He likes the song “My Treasure” by TREASURE.
SOCIAL MEDIA HANDLES
Instagram: @j_hoj1n
TikTok: @j_hoj1ne
4. Saeron
| Stage Name | Saeron (새론/サロン) |
| Birth Name | Lee Sae Ron (이새론) |
| Position | Vocalist |
| Birthday | December 13, 2003 |
| Active Years | 2024–present |
| Age | 21 (in 2025) |
| Zodiac Sign | Sagittarius |
| Height | N/A |
| Weight | N/A |
| Nationality | Korean |
| Blood Type | N/A |
| MBTI | ESTJ |
Saeron Facts:
– Saeron is the son of the singer Han Seokyung.
– He took classes at Dima K-POP.
– He is nicknamed Rony.
– He is fluent in Japanese and can speak basic English.
SOCIAL MEDIA HANDLES
Instagram: @lsr_0300
TikTok: @ronyron_0300
5. Riku
| Stage Name | Riku (陸/리쿠) |
| Birth Name | Machida Riku (町田陸) |
| Position | Rapper |
| Birthday | October 2, 2004 |
| Active Years | 2024–present |
| Age | 21 (in 2025) |
| Zodiac Sign | Libra |
| Height | 181 cm (5’11”) |
| Weight | N/A |
| Nationality | Japanese |
| Blood Type | N/A |
| MBTI | ESFP |
Riku Facts:
– Riku was born in Hyogo, Japan.
– He considers Jungkook from BTS as his role model.
– He participated on the show “Boys Planet”.
– He can speak Korean.
– The body part he is most confident about is his legs.
– He likes listening to “Euphoria” by BTS.
– He is skilled in limbo.
– He likes shopping, working out and playing in his spare time.
SOCIAL MEDIA HANDLES
Instagram: @riku_machida102
TikTok: @riku1482
YouTube: @Riku_Machida
6. Isaac
| Stage Name | Isaac (이삭/アイザック) |
| Birth Name | Isaac Jeong |
| Korean Name | Jeong Myung Ho (정명호) |
| Position | Sainenshō/Maknae |
| Birthday | November 28, 2005 |
| Active Years | 2024–present |
| Age | 20 (in 2025) |
| Zodiac Sign | Sagittarius |
| Height | 180 cm (5’11”) |
| Weight | N/A |
| Nationality | Korean-American |
| Blood Type | N/A |
| MBTI | INFP |
Isaac Facts:
– Isaac was born in California, USA.
– He was a tiktok creator but became inactive after becoming a trainee.
– He likes blue color.
– He is fluent in English and Korean.
– He likes to draw and watch K-dramas.
– He has two pet cats.
– His family consists of his parents and older sister named Irene.
– He likes the show “Stranger Things”.
SOCIAL MEDIA HANDLES
Instagram: @isaacjeong110
TikTok: @isaacjeongg
YouTube: @isaacjeong5153
Debut Release:
