Clover, Vol. 1 by Clamp

In a dystopian future where individuals with magical abilities are classified and controlled by the government, a young girl named Sue is identified as a rare and powerful "Clover." Isolated from society due to her extraordinary powers, she longs for freedom and companionship. Tasked with escorting her to a mysterious destination, a former soldier named Kazuhiko is drawn into a journey that challenges his understanding of loyalty and love. As they navigate a world filled with secrets and hidden agendas, their bond grows, revealing the complexities of human connection in a world that fears what it cannot control.