The day my seemingly innocent stepsister, "Xikong," rolled up her skirt shattered my daily routine. She wasn't wearing underwear. At the breakfast table, in a fleeting moment when my parents weren't looking, she innocently displayed her "exposed" private parts. "You saw it, didn't you? Excited?"... In the whispers of this innocent devil, my rationality as her brother crumbled, and uncontrollable desire overflowed, ultimately crossing the line. Right next to my parents, she let my fingers crawl on her wet private parts; in the cramped bathroom, she stickily took my erect penis into her mouth. Riding on me, Xikong, with an innocent face, swayed her hips in enjoyment. "Because we're outsiders, it feels good, doesn't it?" Hearing this, I ejaculated multiple times in front of her. With each orgasm, the "sibling" relationship died. The despairing, extreme pleasure bound me tightly...