Who directed this South Korean romantic comedy musical film starring Sung Dong-il?
Sung Dong-il:  Following years of supporting roles in TV, Sung's film career was jumpstarted by hit romantic comedy "200 Pounds Beauty" in 2006. 200 Pounds Beauty:  "It's hard to be a beautiful woman") is a 2006 South Korean romantic comedy musical film written and directed by Kim Yong-hwa.
i don't know