SNOS-190 "Brother, look!" My stepsister, whom I always thought was incredibly innocent, turns out to be a pervert... She seduced me in broad daylight without wearing underwear. - Nozomi Araki

That day, my peaceful life shattered completely when my seemingly innocent stepsister, Nozomi, had her skirt lifted. She wasn't wearing underwear. At the dinner table, when my parents weren't looking, she innocently exposed her private parts. "You saw it, didn't you? A little excited, aren't you?"... Her innocent yet slightly wicked whisper completely destroyed my reason as her older brother. An uncontrollable desire surged forth like a tidal wave, ultimately crossing that line...