After two years of dating, Kana and I have decided to get married. With only two weeks left until the wedding, Kana wants to attend the class reunion to announce this happy news to friends. Kana is a very beautiful and outgoing girl, always attracting attention from others, so I feel extremely worried. I also know that Kana cannot drink alcohol, but now she often goes out drinking with friends. But what worries me even more is that Kana's ex-boyfriend is also there! Even though I know they have broken up, I still feel very anxious because he is taller and more handsome than me! That evening, I anxiously waited for Kana's phone call. After a while, Kana sent me a video. She was having fun with friends, but what I cared most about was that she was sitting next to her ex-boyfriend again! Although he did something small that made me uncomfortable, I could overlook it. But waiting for a long time without any response, she didn't read my messages, and didn't answer my calls, made me extremely anxious. It was late when Kana finally called me. She explained that she was drunk and being taken care of by a friend. I wanted to talk to that close friend to thank them, but Kana refused. While talking, I also heard a strange "clicking" sound of water. When I asked Kana, she said she didn't know. Suddenly, Kana screamed loudly and then hung up, and when I called back, I couldn't reach her. I was left alone with a thousand thoughts swirling in my head, waiting for Kana to return, not knowing when she would come back...