ROYD-259 My younger sister is plain-looking, but when she takes off her glasses, she's a stunning beauty. When I couldn't resist, she first exposed her flat buttocks, then forcefully penetrated me, giving me my first taste of internal ejaculation. - Ririka Amami

My sister-in-law was never confident about her appearance and always deliberately avoided the public eye. But my brother-in-law would give her advice on makeup and clothing. Gradually, she changed. Her smile became more refined, and her beauty became more exquisite. As she began to attract attention, my brother-in-law's heart began to race. "I've always liked you," he said, only to be rejected. "Because we're siblings," he couldn't give up his feelings…