[Fuuga] Behind the door Ch. 5 (Fushidara na Ani Imouto) [KenGotTheLexGs]

Sibling tension boils over when Rei catches her older brother sneaking out one morning, leading to an intensely intimate encounter where her pent-up desire and jealous insecurities finally erupt. Fuuga builds the mood with a desperate, tearful oral exchange followed by raw, uninhibited lovemaking, her soft body trembling against him as she demands reassurance that he belongs only to her. The chapter closes on a cliffhanger as the siblings are confronted with shocking news about a new classmate, hinting that their forbidden secret is about to collide with the outside world.