Konomi ja Nai kedo Mukatsuku Ane to Aishou Batsugun Ecchi

In a twist of fate, Konomi Ja Nai Kedo chronicles the tumultuous journey of two warring siblings who can't seem to escape their own carnal desires for one another. As their once heated arguments morph into passionate encounters, these siblings find themselves entangled in an unexpected amorous affair, forever changing the course of their lives.