He was brought to a room without being told anything... This is where the older sister trains the boy to do as he pleases! Tatsuya's face was tense at first, but his expression completely changed when his older sister started playing with him! A handsome man writhes in agony as a rotor is applied all over his body while his wrists are restrained... His nipples and dick are attacked at the same time, and he finally can't stand it anymore...! *The contents may differ depending on the distribution method.