His younger brother Takumi was injured when he moved. His heart throbs unintentionally when his older sister Miki treats him more gently than usual. In the new house, she shared a room with her older sister, so exciting sights such as the appearance of a single towel after taking a bath, panty shots and clothes changing scenes that can be seen when lying on the bed spread before your eyes. And Takumi's reason gradually collapses...
