Flower & Snake The Animation (2006)

Shizuko, a 26-year-old housewife, is lured into a trap when her stepdaughter is kidnapped by the Kizakura gang. The scheme was hatched by an evil CEO whose main goal is to make Shizuko his sex slave. Eventually, she is coerced into performing a bizarre sex show with her stepdaughter in front of a large audience. Though she refuses at first, she gradually accepts and decides to roll with the twisted pleasure of it all.