I'm newly married for four months, but I'm already having an affair with a muscular and strong African American man at my workplace. The workplace is a large supermarket where I work part-time during the day, and he also works there as a part-timer. I met him about a month ago when I started working at the supermarket. His job mainly involves stocking shelves and other physical tasks, and he's been working there for about two years. When I first saw him, I wondered, "Why is there an African American here?" But he works quite seriously, is very kind, and is trusted by everyone in the store. The reason we got close was that he became my mentor and was assigned to teach me the job. At first, I was very anxious, but he was so gentle and gentlemanly, and his teaching method was surprisingly good. Even when I made mistakes, he would often cover for me, and my impression of him improved day by day. A week after I started, there was an inventory check at the store. It was my first time doing inventory, so I didn't know what to do. I just followed him around and counted the products together. The store is quite large, and the backroom is relatively spacious, but there are so many products piled up everywhere that it's hard to pass through, and there are many blind spots. While we were counting products in such a backroom, he suddenly grabbed my arm and pulled me to the back, saying, "Come here for a moment." I wondered what was going on and followed him, and then he suddenly kissed me. It was so sudden that I couldn't do anything, and he took my lips. He inserted his long tongue into my mouth and intertwined it with mine. I was so flustered, but being kissed so roughly made my mind go blank, and before I knew it, I was in his arms. He said he fell in love with me at first sight when he first saw me. When I told him I was married, he said, "I really want you, Yuka," and I couldn't refuse. Then he started trying to take off my clothes, and I resisted, saying, "Not here!" But he said, "I want to see your breasts, Yuka," and slowly unbuttoned my shirt, pushed up my bra, and started sucking on my nipples. I was so nervous about being seen by someone in such a place, but he didn't seem to care and didn't stop his caresses. On the contrary, he escalated, putting his hand inside my skirt and stimulating my clitoris over my panties. I tried my best to hold back my voice. He seemed to enjoy watching me like that. His actions escalated further, lifting my skirt, pulling down my panties to my knees, and making me stick out my buttocks, then started licking my vaginal opening with his long tongue. I've only had normal sex with my husband, so I was very excited by this. He caressed my clitoris and vaginal opening with his fingers and long tongue for a long time, making my knees tremble, and I could barely stand. I climaxed once from his tongue. I collapsed to the floor, and he made me get on all fours and forcibly inserted his erect black member from behind. At that moment, I let out a scream-like voice that I had never made before. At that point, I didn't care anymore and let out my voice as much as I could. Every time he moved, I was overwhelmed by an incredible pleasure, and my whole body convulsed. It was my first time experiencing this, but I squirted. I was so surprised myself. He grinned, and I was extremely embarrassed. He didn't forgive me and continued to attack. This time, he slowly inserted his black member to the deepest part of my uterus and then pulled it out all at once. He repeated this many times, and each time, air entered my uterus, and obscene sounds could be heard. Being humiliated by a man other than my husband, and an African American at that, made me feel like I was going crazy, thinking I might become his sex slave. Before he climaxed once, I was made to climax many times. He finally seemed to reach his peak, and his thrusting became faster, pulling my hips tightly and releasing into the deepest part of my uterus. When he slowly pulled out his member, a large amount of thick semen, clearly different from my husband's, dripped from the depths of my uterus with obscene sounds. After such sex, I couldn't leave him anymore, and since that day, I've been his sex slave two to three times a week.

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