The famous beautiful pianist sisters, Makoto and Ruru, were diligently practicing piano at home every day, aiming to follow in the footsteps of their admired elder sister. The middle-aged NEET next door was infuriated by the sound of the piano and eventually stormed into the sisters' house, shouting angrily. One day, the younger sister was taken to the man's house and raped. Then, his evil hands began to reach towards the elder sister as well.
