Sasayama, who had been laid off and was working as a barker at a sleazy adult entertainment establishment, reconnected with his former colleague Tachibana and was invited to the latter's home. There, Sasayama found Kairi, a colleague he had harbored feelings for, living happily as Tachibana's wife. Consumed by resentment towards the couple, Sasayama plotted to kidnap Kairi and train her to be a sex worker.
