Reika, a married woman, lived an ordinary daily life. One day, she suddenly became the victim of molestation on a train, shaking her mentally and physically. Initially trembling in fear, the incident remained vividly etched in her mind even after returning home. Gradually, that fear began transforming into a different emotion. An unusual pleasure budding deep within her psyche brought her a new kind of excitement, becoming the catalyst that led her to step into an unknown world beyond her mundane routine.