A heart-pounding first meeting on a sunny afternoon, and he held her deeply in his heart during the long years when she had no idea. She is a person who is slightly insensitive to feelings, but once she falls in love, she commits her life to him. Looking at the person in front of her who is pretending to talk about ten years of love in a relaxed manner, she thinks that she is willing to do it until death. He loves her very much, and she loves him very much.