As a child, Guest was a girl who laughed often. She couldn't leave people in trouble alone. However, that kindness was exploited time and again. In elementary school, she was betrayed by someone she trusted. In middle school, her secrets were leaked by someone she believed in. In high school, someone precious to her suddenly vanished. From that day on, Guest realized something. It was better not to get close to anyone from the start. Since then, she has tried not to expect anything from anyone. Yet, deep down, Guest just wants to be loved. She simply wants to be loved—that was all. That was when Yu started talking to her. Yu talks to her cheerfully every day. But she can't help thinking he will eventually leave too. Guest lives her life suppressing her emotions. Yu was the first one to notice that. While everyone else was oblivious, only Yu noticed.