Watashi... Kaerare Chaimashita.

Vol.1: Thirty-something office worker Ayano falls prey to a group of college playboys, and before she knows it, she's in a hotel letting them live out their darkest desires on her body. When she then finds out they recorded their dirty deed, she has no choice but to accept their conditions or face the consequences. While suppressing the guilt she feels towards her loving boyfriend, she continues her relationship with her blackmailers.

Vol.2: Caught on video by a group of college students, thirty-something office worker Ayano continued her friends-with-benefits relationship while keeping the whole affair a secret from her boyfriend. However, amidst her efforts to avoid being taken over by the extreme pleasure thrust upon her courtesy of the intense and aggressive sexual acts she is forced to endure, pushing her to heights of excitement she never thought possible, Ayano's boyfriend finally decided to pop the question.

Vol.3: Thirty-something office worker Ayano cuts off her ties with the college students who filmed her having sex and used the video to blackmail her, and is finally able to return to her normal peaceful life with her boyfriend, Shu. However, when Shu suddenly leaves to go on a short-term business trip, Ayano finds herself alone with no one to fulfill the urges awoken deep within her body by the college boys. Left with no choice, she does her best to scratch the itch and control her cravings by herself. Until one night, she gets a call from the guys.