She fell into the water with her first love at the same time, and he chose to save his first love because he owed his life to his first love. From then on, she learned to swim. There was a fire in the company of his first love, and his life and death were unknown. He gave up her birthday to find his first love because his life was at stake. From then on, she found out that he was also working as a firefighter part-time. His first love was infertile, so he asked her to donate her uterus because he didn't want children, so it was useless for her to keep her uterus...