JUR-139 The night before I proposed to her, I found myself swept up in an intimate encounter with my childhood friend, who smiled alluringly and said, From tomorrow, we’ll be in an affair too… Akari Tsumugi

I was an ordinary office worker, and I was dating my coworker, Nao. I had been thinking about proposing to her soon—actually, the very next day. After work that day, while I was discussing dinner plans with Nao, I got a call. It was from my childhood friend, Tsumugi, who said she had lost her wallet and needed help. I lied to Nao, saying a male friend was in trouble, and headed to Tsumugi. I ended up taking the heavily intoxicated Tsumugi to a hotel, but when I tried to leave, Tsumugi grabbed my arm and asked me to stay a little longer…