Lee Jung Hwan, known professionally as Sandeul, is a South Korean singer, dancer, musical actor and member of B1A4 (비원에이포). He graduated from Dong-Ah High School and is officially on a leave of absence from the Musical Performance program at Myongji University. He made his debut in April 2011 as the group's main vocalist with their first EP, "Let's Fly". The group has had considerable commercial and critical success in both the South Korean and Japanese markets. He debuted as a musical actor in 2012 with a role in "Brother We're Brave" and has appeared in several productions ever since. He debuted as a soloist in October 2016 with his first EP, "Stay As You Are". His agency, WM Entertainment (WM엔터테인먼트), confirmed that due to his severe anxiety, he enlisted for his mandatory military service as a social worker on November 11, 2021, and was discharged on August 10, 2023. (Source: MyDramaList) Watch drama online for free.