Ayaha Nijidou, a sheltered young lady, is targeted by her father's rival organization. Still innocent and knowing little about sex, she is trained into a lustful flesh slave● to be used as a hostage for negotiation. She resists fiercely at first but eventually discovers that her anus is extraordinarily sensitive. Under overwhelming torture, she transforms into a masochist. The angelic, frail girl metamorphoses into a succubus.
