Kizuna is an elite investigator working for a secret intelligence agency. She has navigated through every dangerous mission using her natural wit and physical prowess. However, at the loan shark company where she was sent undercover this time, a betrayal by her own comrades awaited her. Trapped and subjected to a powerful aphrodisiac, Kizuna throws away her mission and her pride, reduced to nothing more than a female in heat!! In the end, a relentless 5P gangbang pushes her to the brink of mental collapse! Will Kizuna be able to survive this crisis?