絶対に手を出してはイケナイはずの美しい姉と僕は血の繋がらない連れ子同士で…。 姉弟という縛りを失った二人が、禁断の中出し不倫に溺れた夏の日―。 都崎あやめ
My beautiful sister and I, who I should never have laid hands on, are not related by blood, but are stepchildren... On that summer day, the two of us lost the ties of being siblings and indulged in a forbidden creampie affair. Ayame Miyazaki