Shirayuki is an herbalist famous for her naturally bright-red hair, and the prince of Tanbarun wants her all to himself! The prince from the neighboring kingdom, Zen, rescues her from her plight, and thus begins their love story.

After putting an end to the disease that was ravaging Lilias, Shirayuki returns home with Zen and the others. But on their next day off, Shirayuki and Zen embark on a new adventure--a date! Meanwhile, Mitsuhide is furious to learn that Kiki's been keeping a life-altering secret from him!