Her parents tortured each other in a marriage that made her not believe in the existence of love. She was lonely and isolated from the world, living in her own world gloomily and refusing to be approached by anyone.
He never understood how he could fall in love with an ordinary girl, but he was rejected before he even started. When they saw each other again, her gloominess frightened him and made him want to get closer to her, but he never used the right method.