Kimiiro no Koi

In the second grade, Yosai's life was forever changed when she was involved in a car accident. Miraculously, a mysterious figure intervened, saving her life. Years later, while Yosai was in a precarious situation, an older boy appeared, warning her that she was in danger. This boy was none other than the same individual who had rescued her from the accident. He possesses a unique ability, known as "seeing danger in color," where he can perceive potential threats as a distinct, visible signal.