Yui's sole attribute was her dedication to studying. Her tireless efforts were aimed at impressing the person she admired, but to her dismay, an individual pointed out her lack of charm. Determined to catch the attention of Arima, Yui endeavored to get closer to him, and they began seeing each other. However, their relationship was met with disapproval from Yui's mother, and Arima had a secret that remained undisclosed. What would become of this couple?