Ryou and his older brother, Masaya, live under the Takatou family. Sixteen years ago, their parents died in an accident, and since then, the brothers lived with their distant relatives, the Takatou family. As a child, Ryou grew up as the friend of the Takatou heir, Takatou Akihito. But when Ryou discovers a secret,his brother's life is on the line,...