Kimi wa Shiranai Kamo Dakedo.

Minato Tada is 28 years old and works for Saki Corporation. Since she was a child, Minato has always taken the role of a mother for her beloved family, but now that she is on her own, her younger siblings tell her, "From now on, I want you to live your own life." Minato, who has always been devoted to her family, is unable to think of anything she wants to do, and the days pass by. One day, she is assigned to be the trainer for Kota Saki, son of her companie's boss who has come to the company as an intern. Minato's life changes drastically when Kota says to her, "I was hoping it would be you..."!