Kang Chan-hee, also known by his stage name Chani, is a South Korean actor and singer. He began his career as a child actor, notably appearing as little Yoochun in TVXQ's "Balloons" music video and in the various other television dramas. He's a former Fantagio Entertainment trainee. In 2015, he was a part of pre-debut team Neoz School under FNC Entertainment as a member of the first group called NEOZ. He debuted in October 2016 with the group name SF9 and the single "Fanfare". He is best known for his part in Sky Castle, where he plays Hwang Woo-joo, a smart and sweet high school student who lives in a high-end residential area called SKY Castle. In February, 2018. He graduated from School of Performing Arts Seoul (SOPA). Show less «