<P> Hello, My Twenties! (Hangul: 청춘 시대; Hanja: 靑 春 時代; RR: Cheongchunsidae; MR: Ch'ŏngch'unsidae; lit . Age of Youth), is a South Korean television series starring Han Ye - ri, Han Seung - yeon, Park Eun - bin, Ryu Hwa - young and Park Hye - soo . It replaced Mirror of the Witch and aired on cable network JTBC on Fridays and Saturdays at 20: 30 (KST) for 12 episodes from July 22 to August 27, 2016 . </P> <P> A slice - of - life story about five college students who connect over the growing pains in their youth . </P> <Ul> <Li> Han Ye - ri as Yoon Jin - myung--28 - year - old </Li> <Li> Han Seung - yeon as Jung Ye - eun--22 - year - old </Li> <Li> Park Eun - bin as Song Ji - won--22 - year - old </Li> <Li> Ryu Hwa - young as Kang Yi - na--24 - year - old </Li> <Li> Park Hye - soo as Yoo Eun - jae--20 - year - old <Ul> <Li> Lee Na - yoon as young Eun - jae </Li> </Ul> </Li> </Ul> <Li> Han Ye - ri as Yoon Jin - myung--28 - year - old </Li>

Who plays eun jae in hello my twenties