Mayuki and I joined the company at the same time. She has been advancing while I have been stagnant. Fortunately, despite my career not going well, I was able to get married. Lately, work has been very busy. Last night, I couldn't go home and had to work overnight at the company, so I didn't even have time to shower. Today, I will try to finish before the last train to go back to my wife. Since this is Mayuki's project, she also came to help me finish it. She finished her work while I was still struggling, and by the time I finished, I had missed the last train. "I didn't even get to shower today." "You haven't even showered?!" "You smell bad!" "My house is nearby. Come to my place to shower." Because I smelled bad, I had to go to Mayuki's house to shower. On the way, we chatted happily together. We are quite close because we joined the company together. When we arrived at her house, Mayuki changed into a quite revealing outfit. The short shorts exposed her big butt, and the top part of the revealing outfit teased in front of me. My little guy quickly got excited. "Just for today..." I couldn't believe my ears. She agreed to have sex with me tonight! And we immediately got intimate, continuously making love all night until the next morning, even having another round before going to work. Although I wanted to, I didn't dare to ask. But when she gave me more documents to work overtime, I knew that our relationship could continue...