A college nerd boy who started living alone after going to school.My sister, who envied her brother, frequently entered and out of her brother's room.One day, she negotiated her brother's room as a place to have sex with Saffle, but she was refused because her friend came.The troubled sister decides to execute an outrageous idea that suddenly came up with it.The habit of Sado who wakes up while driving his brother mentally.Mour of the older brother who was destroyed and masochistic.
