She goes by her stage name, Euijin. Her full name being Hong Euijin. Blessed to a small family consisting of a father, mother, and older sister on October 8th of 1996. Growing up, she found a love for musical arts; her specific interest resulting to dancing. She attended Seoul School of Performing Arts and grew fond of musical instruments also, now knowing how to play the recorder and violin. She also learned how to speak Japanese. Becoming a trainee for TS Entertainment soon after, she formed a group with six others under the name of ‘ Sonamoo ’ and debuted on December 29th of 2014 with the hit title song ‘ Déjà Vu, ’ wrapping up the promotions for their first mini album on February 8th. Euijin was recently accepted to Sejong University, and is currently attending school as the result to their hectic schedules coming to a temporary end.