FHD Attackers SHKD-876 Kururigi Aoi It's Already A Mess. Sister's Nephew

Saori (Kuruki) has been feeling inferior to her older sister, Ayaka (Orikasa), who has a beautiful appearance and good personality since childhood. Living away from his sister, his life was also rough, and he lived a selfish life with Katsuyuki living together. One day, Saori, who received the news of engagement from Ayaka, was enraged by the difference in circumstances with himself and turned the blade of distorted emotions to Ayaka ... 幼少の頃から、容姿端麗で性格も良く皆に好かれる姉の綾香（織笠）に劣等感を抱き続ける沙織（枢木）。姉と離れて暮らす現在では生活も荒み、なりゆきで同棲している勝と共に自堕落な生活を送っていた。ある日、綾香から婚約の知らせを受けた沙織は、自分との境遇の差に激怒し、その歪んだ感情の刃を綾香に向けるのだった…