Flower & Snake: Zero

花と蛇 ZERO

Also known as Hana to Hebi Zero, 꽃과 뱀 : 더 제로, Flower and Snake: Zero, Flower and Snake Zero, 花与蛇：零

Misaki Amemiya is an assistant inspector for the Metropolitan Police Department's Community Safety Bureau who becomes ensnared in a trap while investigating a mysterious illegal video website called "Babylon". Soon, she's bound and tortured along with Shizuko and an oversexed housewife named Ruri.