Imouto 1

Hikaru harbors secret desires for his sister Mioto, who is entangled with Hakurou. When Akimi catches him pleasuring himself while watching them, she blackmails him into sabotaging their siblings’ relationship. Overcome by rage, Hikaru violently takes her, consumed by guilt afterward. Forced into a twisted alliance, he reluctantly aids Akimi’s own incestuous obsession, their dark pact sealed with threats and shameful lust twisting their fragile bond into something desperate and depraved.