My parents divorced early, and I was raised by my mother. She worked from morning till night and raised me without any hardships. My precious mother... Perhaps because I entered high school and no longer needed her constant attention, my mother announced she was going to remarry. I was anxious about who she would marry, but I agreed because she was the one my mother chose. On the day I met my new father, I was speechless. My mother's new husband was Mr. Matsumoto, my elementary school homeroom teacher. "Rino, it's been a long time. You've grown so much. Do you remember me?!" I had a terrible feeling...