Looks like it was billed as a follow-up to Lover's Fist (1980) - same cast and crew

If my Big5 title is incorrect please feel free to change

More info here:
http://www.kmdb.or.kr/vod/vod_basic.asp?nation=K&p_dataid=03633&keyword=&pgGubun=01&tabmov=T#url

Link: http://hkmdb.com/db/movies/view.mhtml?i ... ay_set=eng
Now it has 35 (!) Acting credits and 15 crew members