[大石コウ] 俺と妹とその彼氏の三角関係 (にょたいか♥リョージョク!! III) [英訳] [DL版] , [Ooishi Kou] Ore to Imouto to Sono Kareshi no Sankaku Kankei | The Love Triangle Between Me, My Little Sister and Her Boyfriend (Nyotaika Ryoujoku!! III) [English] [desudesu] [Digital]