As Cathy sat nervously in the dimly lit bedroom, she couldn't help but feel a sense of excitement building inside her.This was her first time offering up her virginal ass to a man, and she was eager to please.She glanced over at her bro, who was standing near the bed, his eyes fixed on her body.Her heart raced as he began to undress, revealing a thick, erect cock that seemed to stretch endlessly before her.Cathy's breath caught in her throat as she watched him approach the bed, taking her in from head to toe.You're beautiful, he whispered, but it's your ass I really want.He reached out and lifted her gown, baring her backside for all to see.The sight of his hard cock pressing against her cheeks sent waves of pleasure coursing through her body.He tugged at her panties, pulling them down, exposing her bare flesh.You're so tight, he groaned, as he trailed his tongue across her rim.She moaned in pleasure, feeling the pressure build within her.His fingers were expert at opening her up, stretching her holes wide and preparing her for his cock.Finally, he was ready.With a growl, he thrust into her, filling her up with every inch of his massive girth.She arched her back, lifting her hips up to meet his thrusts, welcoming the pain of his hard rod pressing into her sensitive walls.She felt his balls slap against her clit, sending sparks of electricity through her body.As he pounded her harder and harder, she could feel her orgasm building.She cried out as it finally peaked, sending her into a blissful state of ecstasy.But the pleasure didn't end there.Her bro continued to fuck her deep and hard, filling her up with every inch of his cock.She moaned and screamed as he pumped her full, her body shaking with the intensity of his passion.Finally, after what felt like hours, he pulled out, leaving her drenched in cum.She looked down, admiring the sticky mess that coated her pussy and ass.As she licked her fingers clean, she couldn't help but think that this was just the beginning of a long and erotic journey ahead.