SNOS-190 "Big brother, look!" My stepsister, whom I thought was super innocent, is secretly a pervert... She seduces me with no underwear on in broad daylight.

That day, when the skirt of my stepsister, Nozomi, whom I thought was pure and innocent, was lifted, my everyday life crumbled. She wasn't wearing any panties. At the breakfast table, in a fleeting moment when our parents weren't looking, she showed me her bare private parts with an innocent face. "You saw, didn't you? Were you turned on?"... Her innocent devilish whispers chipped away at my reason as an older brother, and an uncontrollable lust overflowed, finally crossing the line. Right next to our parents, she ran my fingers over her wet private parts, and in the cramped bathroom, she took my stiff penis into her mouth. Straddling me, unable to resist, Nozomi thrust her hips with a joyful, innocent face. "It feels this good because we're strangers, right?" As I heard those words, I ejaculated again and again in front of her. With each climax, the 'brother-sister' relationship died. The overwhelming pleasure bound me and wouldn't let go...