I work at a mid-sized manufacturer in Tokyo. I'm dating my colleague Miki, and we're planning to propose soon—no, tomorrow! That evening, I had dinner with her again when I suddenly received a call from my childhood friend, Nuan, saying she'd lost her wallet and needed help. I told Miki I was her boyfriend from the soccer team and went to Nuan's place. Then, I carried the unsteady Nuan to her hotel room. I wanted to go home quickly, but Nuan begged me to stay a little longer…