My homeroom teacher and my female student were only having sex, but my parents were away for three days without me

My brother and sister, who I loved, were the teacher who healed me as I was lonely, leaving my house. It may be only natural that adolescent Shion fell in love with an older teacher. On a weekend when her aggressive actions clouded the guilt of her homeroom teacher on a weekend, the two exchanged their bodies as their instincts, and were unfair and indecent, in which they continued to commit immoral acts over and over again.