Her involvement in his past is left unclear. It is revealed starting from the Last Waltz story line that he had a sister named Ruka who taught him how to dance, garden, and cook, though his skills in the latter are lacking. His favorite color is light green, and he has a flower garden (in which he is known to have tulips and hydrangeas). He is notorious among his fellow Shinigami for his slacker qualities and voracious appetite for sweets such as cinnamon buns and cakes. He is 97 at the beginning of the first book and the oldest employee of the Shokan/Summons division besides Chief Konoe, and the lowest-paid, due to his perceived incompetence. He was born in 1900, and was 26 years old when he died and became a Shinigami. Main characters Asato Tsuzuki Asato Tsuzuki ( 都筑 麻斗, Tsuzuki Asato), voiced by Dan Green (English), and Shinichiro Miki (Japanese), is the main protagonist of the story. The following is a list of characters from the fantasy manga series Descendants of Darkness.