Sakuramiya Shimai no Netorare Kiroku / 桜宮姉妹のネトラレ記録

After their parent's remarriage, Hinata and Saya became step-sisters. Eventually they fell in love with each other. One day while kissing in the school campus a member of Photography club took their indecent photo and started blackmailing them. Now what will become of the Sakuramiya sisters!...