After becoming a member of society, Momo met through a friend's introduction and got married in two years of dating. One day, Momo goes to her college reunion. It is unimaginable for the current neat and clean Momo to have a gathering of clubs that seems to be frivolous such as BBQ and snowboarding. After a while, a video of the after party was sent, but a man who seems to be an ex-boyfriend is close. "I'll be home at 10 o'clock!" I believed the words of the drunk Momo and waited, but the contact was cut off after that video. I have a bad feeling that my anxiety is growing, but is it with that man? No, it shouldn't be...