Rui's hair is purple with turquoise strands, and his eyes are golden. Tsukasa's hair is blonde with peach tips, and his eyes are yellow. Rui does not act for the sake of the dark kingdom, he is on his own and does what he wants. Rui has his own garden in the forest, and when the mara hit him hard, he began to spend a lot of time in the garden. Ordinary love can prolong Rui's life and help him not die from mara, but he is hiding from people in the forest.