Tsukihi, a junior office worker in the same department, is our company's Madonna who is beautiful and stylish and has many fans at our business.However, she was married to a student and when she joined the company, she was already a married woman, so everyone couldn't help her.Recently, we've been working together on the same project, and she's friendly and attentive, so I've completely fallen in love with her.She seemed to trust me as her senior at work, and one day she invited me out for drinks.After getting drunk, we started talking about the relationship between husband and wife, which we don't often hear about. ``I have sex with my husband,'' ``My husband is completely passive, and I'm not satisfied with the normal sex,'' ``Before we got married, my sadistic boyfriend gave me anal training.'' ``I don't cheat because it's bad for my husband,'' Tsukihi said tipsily, and just as she was about to become so excited that she couldn't control herself, Tsukihi said, [Senpai, anal sex isn't cheating, right? ]