24-year-old Mayu Ohsone works a normal staff job at a cake shop. One day, she meets a cute guy named Makoto Makino, who is six years her junior. He seems serious and has glowing skin, and when he asks her out, she is smitten by the earnest look in his eye and the blush on his cheeks. However, it's hard for Mayu to accept his advances, considering the cheaters, harrassers, and stalkers that have broken her heart in the past. Even though she refuses, Makoto doesn't give up, and pursues her with a passionate look in his eyes...!