After the college entrance examination, Su Xiaoqian resolutely chose S University, which was far away from C City. Here she met him, him, and them. One is handsome and uninhibited, the other is gentle and elegant, who is her choice. He said, "I seem to have fallen in love with you, what should I do?", "You said you were responsible for me, and I took it seriously." He said, "I don't want to let you go! Did you hear that?", "I want to grow old with you." But how could she, who was born with difficulty in choosing, face these constraints. There is family affection, love, friendship, and fingerprint time here to remember the youthful years that we were bound to.