Hasha no Gyokuhai
The Conqueror's Chalice·覇者の玉杯 落日の華
Prince Masoo, after conquering the nation of Tou, rescued one prince, Kisame, from a mass suicide that included his mother and the king's other family members. Over time, Kisame forms a bond with Masoo, who raises him and helps him become a skilled individual. Kisame regards Masoo as a guardian and hero. However, following Kisame's triumph in a martial arts competition, Masoo takes him to bed and asserts that Kisame now belongs to him.