Shin Eun Soo is an award-winning actor under npio Entertainment, a subsidiary of JYP Entertainment. She started in the entertainment industry as an idol trainee before making her acting debut as a lead in the 2016 film "Vanishing Time: A Boy Who Returned" (가려진 시간). Although she'd never acted before, Eun Soo was selected out of 300 candidates. For her performance, she won the Popular Film Star Award at the 2016 The Night of Stars: Korea Top Star Awards. She lent her voice to the female lead in the animated film titled "The Shower." On March 12, 2025, Management SOOP announced that Shin Eun Soo had signed an exclusive contract with the agency,
