Konomi ja Nai kedo Mukatsuku Ane to Aishou Batsugun Ecchi
好みじゃないけど-ムカつく姉と相性抜群エッチ-
Konomi Ja Nai Kedo tells the story of two siblings who have been fighting constantly since they were teenagers, but their lives take an unexpected turn when they realize they are sexually attracted to each other.