Sex and Zen II (1996)

玉蒲團II玉女心經

aka Sex and Zen 2 · 玉蒲團之玉女心經 · Yu pu tuan er zhi Yu nu xin jing · 玉女心经 · 옥보단2

Wealthy Sai Moon-Kin works hard to please as many women as he possibly can. When marrying off his mentally handicapped son, he finds himself attracted to his new daughter in law, so he takes her for his own, unaware that she is the evil Mirage Woman, who wields fantastical "sucking" abilities.