As the oldest child in a large family, Yuki Machida was burdened with the responsibility of caring for her younger siblings from a young age. Sacrificing her own desires and emotions became second nature to her, leaving her all too familiar with disappointment and suppressing her true feelings.
After becoming the basketball club manager as a means to be closer to her crush, Machida finds herself unexpectedly drawn to the talented newcomer, Shou Naruse. Despite his relentless pursuit of her affection, from surprising her with unexpected kisses to seeking permission for physical affection, she remains emotionless and unbreakable. However, Naruse's open display of attraction towards her leaves Machida struggling to maintain her cool, especially when it interferes with her focus on the sport.