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Hahm Euijoo (함의주) is a Korean trainee under Blair Music ad part of its trainee team Blair Boys.
Background[]
Early Life[]
Hahm Euijoo was born on September 3, 2007, to a couple whose names remain undisclosed. He has a twin brother, Euiyoung who was born 3 minutes later then him. His father works runs construction company, while his mother is an after school piano teacher.
Due to his mothers skills, Euijoo and his brother, Euiyoung were taught how to play piano, while Euiyoung waws the more talented piano player, Euijoo was better at reading musical scores and could compose piano pieces better then him, as such they were the perfect duo. One playing the music, that the other wrote.
Growing up, Euijoo along with his brother were often described as happy chaotic children, albeit talented with music. They were noisy but most importantly kind and hard working children, always making sure that they work hard to get what they want but also by doing it fairly.
A video of the twins went viral in 2024 of the two performing an original piano piece. After that, companies started flooding in asking for the two to audition, Voicing that the two could debut, with their talent and their handsomeness they could debut as a band duo.
While Euiyoung rejected the concept of being an idol, rather wanting to live as a private person, it was Euijoo who was more interested in performing.
Euijoo liked the rush of performing, a contrast to his brother who often got stage freight, as such when the offers started to come in, he looked further into what it means to be an idol, and after a bit of time, he looked into what it mans to bee an idol, the training conditions, the life, what people give up to debut, what happens behind the scenes and so on and so fourth.
After thoroughly looking at his options, he sent his application to several companies. Out of the 18 companies he sent applications too, 15 of them sent back offers to for a further application.
Following several interviewed and audition processes, that 15 dwindled to 4 at the end, and after much thought, he finally took the offer to Blair Music.
Joining Blair Music[]
Euijoo joined Blair Music on November 27, 2024, at 17 Years Old.
Upon joining, Euijoo began to took lessons on dance and improved production and composing classes. Wanting to one day create songs for which ever group he debuts with.
Career[]
2025: Participation in STAR RAIL[]
On May 18, he was revealed as a contestant for CBC's survival show STAR RAIL as a representative of Blair Music.
On July 10, Euijoo was unfortunately eliminated from STAR RAIL.
Personal Life[]
Education[]
When Euijoo joined the company he was n his second year of high school. He was 17 years old when he joined.
As of March 2025, he is currently in his last year of high school.
Personality[]
Euijoo is perpetually shy, but no fault of his own, but despite this shyness, he loves being on stage, the rush of it, the feeling of the cheers, and it makes him love being on stage.
When encountering new people, he tends to be quiet, but as he gets to know someone, that shyness disappears and out comes this more goofy 17 year old boy. When he is more comfortable with someone, he is more louder, extroverted and most importantly acts a lot more cuter.
With his brother, Euiyoung, both of them are chaos personified and an unstoppable force together. But taking this new step without Euiyoung has made him mature a bit more, bee more aware of what is going on and it has also brought a sadness in him, for the first time in over 17 years, he has not been separated from his brother, and this is the first time has is alone without him, as such this has made him more critical in his thinking and learning how to navigate without him for once.
When faced with a challenge, Euijoo would be first to back out, but since becoming a trainee, and learning that one needs to be ambitious and as such, takes any chance he can to step up and show that he wants to be an idol.
Friendship[]
Filmography[]
Reality Shows[]
Trivia[]
- He has been a vegetarian when he turned 13, citing that he wanted to improve his vegetable intake.
- His favourite animals are: wild cats and falcons.
- His favourite food are: pasta with shrimp, avocado sandwiches, karaage, and pork bone soup.
- He does not like to eat: carrots, pudding, and anything that tastes like mangoes.
- He loves winter. He likes to bundle up and feel warm when surrounded by the cold.
- His go-to-drink order is: a strawberry-matcha iced late, with some honey, and vanilla whip cream.
- His dream job was being an astronaut.
- His favourite colors are: yellow, silver, and white.
Gallery[]
Profile Photos[]
Promotional Photos[]
