Time and its many forms form the core of Coming of Age, one of the standout new titles at this year’s Busan International Film Festival. Director Jeong Seung-o explores familial responsibility and personal desire with wit, frankness and lucidity in this rich sophomore work. Cheol-taek is an ageing alcoholic, living alone in a hovel and working a factory job, who is diagnosed with stage four cancer. The burden of caring for him falls to his only daughter Jeong-mi, a struggling actress making ends meet as an extra on a TV show. Meanwhile, Hyeon-suk, Jeong-mi’s mother and Cheol-taek’s estranged wife, is also suffering from the pressures of family. She lives alone in a well-appointed home and wants to live her own life, but her siblings, all…