Yu Akahane, portrayed by Nana Komatsu, relocates to a dormitory following her father’s job transfer. She is thrilled at the prospect of sharing the dorm with Takumi Shirakawa, played by Yudai Chiba, who is also known as the “White Prince.” However, Haruto Kurosaki, depicted by Kento Nakajima and referred to as the “Black Devil,” kisses her as a form of retribution for defying him. This unexpected kiss marks Yu Akahane’s first, leading her to become compliant with Haruto Kurosaki’s demands.