Konomi ja Nai kedo: Mukatsuku Ane to Aishou Batsugun Ecchi

Rizu and her brother Kyoya can never see eye-to-eye, constantly picking fights and bickering whenever they are in the same room, even in front of their mutual friends. One day, Rizu dashes home to escape a sudden torrential downpour, only to bump straight into Kyoya right at the entrance. Before her temper can flare up, Rizu freezes as she catches sight of Kyoya’s fully exposed, toned physique. He possesses a remarkably sculpted body—the exact physique she has secretly always lusted after. Realizing she is staring at him with undisguised desire, Rizu tries to rush away, only to suffer a painful ankle injury in a clumsy accident.

Kyoya carries her back to her bedroom to bandage her wound, but stepping into her room for the very first time makes him realize just how stunningly attractive his sister really is. He tries to shake off his forbidden thoughts and leave before the tension escalates, but Rizu unexpectedly begs him to give her a relaxing massage. Feeling responsible for her injury, Kyoya reluctantly agrees. However, as his hands move across her skin, he is shocked to discover that his stubborn, annoying sister is built precisely like his ultimate ideal woman…