Lexi and I were riding home on the night bus from downtown. The bus was packed, everyone was returning from parties. I stood behind her pressing against her back, so no one would get between us. She was wearing the short summer dress I’d picked out that morning: thin fabric, barely covering anything. She was wearing lace panties underneath. Lexi swayed slightly from the jolts of the bus, her butt gently rubbing against my fly. I was starting to get excited, imagining how we’d get home and I’d rip that dress off her.
Then a tall black guy squeezed in next to us. He stood right behind Lexi almost pressing against her. The bus swayed, and his hand, as if by accident, landed on her thigh. I saw Lexi tense up, but she didn’t move away. She simply turned her head toward me and whispered: «It’s a bit crowded in here, huh?» I nodded, though something inside me was burning. His hand remained on her thigh. Then his fingers slowly slid down her leg, under the hem of her dress.
I wanted to say something to push him away, but the bus shook again, and everyone pressed even closer together. Now he was standing right next to me. Lexi was looking straight ahead, but I saw her cheeks flush. His hand had completely disappeared under her dress. I stood half a meter away and couldn’t take my eyes off him. His thick black fingers had already spread her thighs. Lexi parted her legs slightly, as if by accident, to keep her balance.

This situation was so hot and sexy, and I didn’t know how to react. I saw his index finger run along the edge of her panties and simply push them aside. Lexi exhaled quietly. Her fingers gripped the handrail above her head. I stood and watched as this strange black guy slowly inserted his middle finger into my girlfriend. Deeply. She was already wet, I could see his fingers glistening as he pulled them out slightly.
Lexi bit her lip. Her eyes filled with excitement and pleasure. The bus was shaking, people were chatting, some were laughing, and this guy started moving his hand rhythmically. Slowly at first, one finger sliding in and out, and then he added a second. Now two black fingers were stretching my girlfriend right before my eyes. I heard a soft, wet sound under her dress. Her panties were completely pulled to the side, and his palm was now pressed against her clit rubbing it in circles.
Then she moaned softly. I saw her knees tremble slightly. She pressed herself against his chest. The stranger leaned toward her ear and whispered something. I didn’t understand, but Lexi nodded. His fingers sped up. Now he was fucking her with three fingers, deep and hard plunging in and out almost to the tips. Lexi began to move her hips toward his hand. Just a little, so no one would notice. But I noticed. I saw her pussy dripping down his wrist.
I stood there, unable to move. My cock was rock hard, but I didn’t even dare touch it. I just watched as this black stranger brought my girlfriend to orgasm with his fingers on a crowded bus. Lexi turned her head toward me. And then she whispered to me with just her lips: «I’m going to cum.»
And she came. It happened abruptly. Her body jerked, she gripped the handrail so hard her knuckles turned white. I saw her thighs squeeze his hand, how she tried to hold back a moan. Something leaked from under her dress. His fingers were completely inside her, and he continued to move them slowly prolonging her orgasm. Lexi’s entire body was shaking. Her eyes were rolled back in her head, and her mouth was slightly open. I could see her trying not to moan loudly enough for the whole bus to hear.
The stranger finally slowly pulled out his fingers. They glistened with her juices. Then he simply adjusted her panties as if nothing had happened and got off at the next stop, without even looking at me.
Lexi stood there breathing heavily. Her dress was slightly wet in front. She turned to me, pressed her face to my chest, and whispered: «I’m sorry. I couldn’t stop. It was just incredible!»
I just stood there,holding her. My cock was throbbing. I knew that at home she would let me enter her right away, wet and stretched by his fingers. But now, on the bus, I simply held my girlfriend and felt her body still shaking from her orgasm.
We got off at our stop. Lexi walked with her legs slightly apart, and I could see traces of moisture on her thighs. At home, she told me everything in detail, how he immediately found her clit, how he stretched her from the inside, how he whispered that she was a «good white slut.» I came without touching myself just listening to her.
Since then, we sometimes take that bus late at night on purpose. And every time, I hope he’ll be there again. Because watching a black guy fingering my girlfriend until her knees tremble is the most arousing thing I’ve ever seen.