Synopsis: Aishou 100% no Imouto - Idenshi ga Onii-chan wo Hoshi Gatteru

100% Compatibility: My DNA Desires My Step-Brother / 100% de Compatibilidad: Mi ADN desea a mi hermano / 相性100%の妹～遺伝子がお兄ちゃんを欲しがってる～ / 속궁합 100%의 그녀 "My younger stepsister is my fated partner?!" The marriage partner whom the government chose for Yuri was his younger stepsister Hasumi! It is said, though, that fated couples have amazing physical compatibility... Official English