2 days ago S01 Completed
Signal (2016) S01 Completed [English Subtitle]
Park Si-eun, known mononymously as Sieun, is a South Korean singer and actress under High Up Entertainment. She is a member of the girl group STAYC and a former member of the trainee team i-Teen.
She made her acting debut in the children's television series Pluto Squad (2014).