[Erika Ozaki debut!!] During an undercover investigation into a criminal organization, female investigator Erika is caught off guard and loses consciousness. When she wakes up, Mizuki, a former colleague and ex-lover, appears before her... A pleasure interrogation is given to the captured investigator. Erika cannot accept Mizuki as an enemy, as she has defected to the enemy organization, and is made to climax repeatedly without being able to resist... Erika Ozaki debut.