The remarried wife had two children. My sister "Yui" and my sister "Kotone". With a small and delicate body and an innocent smile, the two approach "Dad!" With bulging breasts and white underwear flickering, unconsciously and defenselessly in front of me ... One day, after seeing my wife's activities, I became clearly conscious of sex and tempted me ... "Which do you like better, mom or us?" I was at the mercy of my two children.