Working at a maid cafe, the beautiful girl "Ami" has a youthful, childlike face. Due to her popularity, she receives countless customer requests every day and stays constantly busy. Yet she never shows any sign of fatigue, diligently serving her masters with full devotion. Her enthusiasm sometimes leads to overly generous service. While guests come specifically anticipating these extra indulgences, things continue escalating even as she pleads, "Master~♪ No, not there!!"