I'm a humble office worker who's dating my coworker Nao, and I was hoping to propose to her sometime soon, or rather, tomorrow. After work that day, while I was discussing dinner with Nao, I got a call. It was my childhood friend Tsumugi, who said she'd lost her wallet and needed help. I lied to Nao and told her that a male friend was in trouble, and headed to Tsumugi's place. I took Tsumugi, who was completely drunk, back to the hotel, but when I was about to leave, she grabbed my arm and asked me to stay a little longer...