In the fifth installment of the Kemono series, Kirishima Kaoru, a prominent figure in the Fujido Groups, shares a secret relationship with Daigo, a rising executive from an American corporation. Their days are filled with business duties, but their nights are devoted to passion. Kaoru yearns to abandon his professional responsibilities to fully embrace a life of intimacy with Daigo. Yet, haunted by insecurities, Kaoru tests Daigo's devotion with subtle manipulations. Complicating matters further, Kaoru's former boss and ex-lover, Ian, resurfaces, vying for Kaoru's affections. As power dynamics and love intertwine, a gripping tale unfolds, leaving the outcome of this emotional tug-of-war uncertain.