![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2Fa0e84c5a6279e836c0940d2fd99e114101ce015br1-1045-390v2_hq.jpg)
One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train and PrizmaX. The group which is composed of the of EBiSSH and Satori Boys Club (SBC) was formed after EBiSSH and SBC went on tour together in April 2018. They debuted a month later with I'M SWAG.
They have had great success since their debut: their music videos reaching a million views in less than 24 hours and their single Dark Knight placing first on both the Oricon chart and Japan Billboard Top 100.
Their fandom name is Swag.
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![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2F1d9a7b972fd9ff8ee4ec7ad6c6eac707ad6331b4r1-1045-390v2_hq.jpg)
![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2Fe2ff6658387813d5fd123f5dcde8147bd7800868r1-2048-1024v2_hq.jpg)
Name: Sawamura Rei
Stage name: Rei
Birthday: January 2nd 1997
Height: 5 ft 10
Position: Vocalist
He's a member of EBiSSH
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![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2Fed232bef055e4f9e4373f7699a307fe2b3ed18f1r1-2048-1024v2_hq.jpg)
Name: Seki Tetsu
Stage name: Tetta
Birthday: November 24th 1997
Height: 5 ft 7
Position: Vocalist
About him:
He's a member of EBiSSH
Fun facts:
He likes to kiss his
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![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2F6c010a5f51f5911d0dd67e134e074bc2cd88d65ar1-2048-1024v2_hq.jpg)
Name: Kusakawa Naoya
Stage name: Naoya
Birthday: April 6th 1998
Height: 5 ft 9
Position: Dancer
He's a member of EBiSSH
Fun facts:
He has a brother from Bullet Train (Takuya)
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![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2Fb8e8098f4e4ee881a199b90e5785adc8a9a02db8r1-2048-1024v2_hq.jpg)
Hayashi Koki
Stage name: Kohki
Birthday: January 15th 1999
Height: 5 ft 11
Position: Dancer
He's a member of EBiSSH
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![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2F08d8420dfadfbb4ac6680f38cbdca5b2e12ce2d6r1-2048-1024v2_hq.jpg)
Name: Kimikura Kenshin
Stage name: Kenshin
Birthday: July 8th 1999
Height: 5 ft 9
Position: Rapper, dancer
He's a member of SBC
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![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2Fc9900293535d329fb48a97da10ceb791d251cd86r1-2048-1024v2_hq.jpg)
Name: Takao Hayato
Stage name: Hayato
Birthday: 17th September 1999
Height: 5 ft 9
Position: Rapper, dancer
He's a member of SBC
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![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2Fa084056ed7a02baccc8d1f900845b0c139212537r1-2048-1024v2_hq.jpg)
Name: Yamashita Eiku
Stage name: Eiku
Birthday: 19th December 1999
Height: 5 ft 6
Position: Vocalist
He's a member of SBC
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![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2F3507900892d8647e6799190a85d961ab39cbda90r1-1045-390v2_hq.jpg)
![One N' Only-[IMG=1V4]
[C]One N' Only is a 7 member group formed by Stardust Promotion, home to groups such as Bullet Train an](https://image.staticox.com/?url=http%3A%2F%2Fpm1.aminoapps.vertvonline.info%2F7296%2F77d162a5b669b66a7337523aa696feafba4ce352r1-1045-390v2_hq.jpg)
Comments (2)
But Kohki already left the group... :sob: :sob: :sob: He was my favourite member....
I wrote this before he left. I liked him too :sob: