Ten years ago, Taeko divorced her husband and raised Tatsuya single-handedly. To avoid making Tatsuya feel pitiful, she worked tirelessly, and Tatsuya did not disappoint, securing a job at a bakery after graduating from high school. Tatsuya invited Taeko on a hot spring trip. He wanted to help her relax from her daily fatigue. It was also Taeko's birthday that day, and Tatsuya had prepared a present for her.
