Living in my brother's house as a temporary guest, I rarely see him due to our different schedules, but I enjoy each day filled with excitement thanks to the kind treatment from my sister-in-law, Miho. Truthfully, ever since my brother introduced her to me, I've secretly dreamed of making her my own wife and have always admired her from afar. One day, my work plans changed and I returned home early, only to witness an unexpected scene—Miho watching a porn video and masturbating alone. I panicked and tried to leave quietly, but she spotted me. I rushed back to my room, only for Miho to follow shortly after and ask, "You saw, didn't you?" Nervously, I could only nod in response. She sighed, saying, "You must despise me now," shaking her head slightly. Overcome with tension, I blurted out, "Actually, I've always liked you, Miho." Hearing this, she asked, "Will you keep what you saw a secret?" I agreed immediately. "Then, in exchange for keeping it secret," she whispered, gently closing her eyes and slowly moving her lips closer to mine...