Introduction to Volume 1: Uichi was once a popular boy, but one day his life changed drastically. He still struggles to live with the promise of becoming a veterinarian, which he made to his first love, Yotsuba, who transferred to another school when he was still in elementary school. Just as he is about to reach the end of his life, Yohatsu suddenly appears in front of Uichi. She looks exactly the same as she did then, except for one thing: the determination in her eyes! What is the truth she i...
