After drinking too much on Friday night, my memory becomes hazy until Saturday morning. I wake up to find my colleague, Tsumugi Akari, next to me, and my heart leaps. Why am I here? I barely remember anything from yesterday... But as I experience Tsumugi's vulnerability and kindness, my rationality gradually disappears. On Saturday afternoon, we have sex after lunch, sleep, wake up, and have sex. Before I know it, our bodies are intertwined, and...