Due to work circumstances, I had to go on a several-month business trip to the region where my older brother lives, and ended up staying at his place. My brother's wife, Rieko, was gentle and kind, and though I had feelings for her, I only got to see her a few times a year and always felt tense around her. However, because of our conflicting work shifts, our schedules were completely reversed—leading to more frequent conversations with Rieko. I found myself listening to her talk about her daily life, neighborhood gossip, and even complaints about my brother. Occasionally, she’d mention problems in their marriage, which made me increasingly curious. One night, after returning home late from my night shift via the last train, I noticed Rieko fidgeting strangely in the dark living room as if possessed by something. I told myself I shouldn’t be watching and tried to escape to my room, but she spotted me, and an awkward tension filled the air. Later, Rieko came to my room and whispered, “I’ll keep it a secret.” Panicking, I confessed my feelings and pulled her into an embrace. Seeming flustered and conflicted, she made a deal—allowing me to do whatever I wanted with her as long as I kept quiet—and closed her eyes. The moment our lips slowly met, all the restraint I’d held back shattered instantly, and I kept taking her nonstop until morning came…