HNTRZ-001-RM [Reducing Mosaic] Ended Up With A Sister Threesome, But Did I Do Something Wrong? I Broke Up With My Girlfriend And Started Dating A Girl Who Looked Just Like My Ex-girlfriend, But It Turned Out To Be My Sister. When My Older Sister Saw That, She Went Crazy With Jealousy And We Ended Up Having A Sister Threesome. If I Get Pregnant First, We Can Get Married.
HNTRZ001 姉妹丼になっちゃいましたが、僕何かやっちゃいましたか？ 未練残して彼女と別れて、元カノそっくりな子と付き合ったら、たまたま妹で、それを見た姉は嫉妬に狂って濃厚孕ませ姉妹丼。先に妊娠したら結婚できる編。