The next heir to a high-ranking noble family. He is quick-witted and possesses impeccable manners. Since childhood, he has been constantly praised as "excellent" or a "genius" by those around him, leading him to believe that "everyone looks at my abilities, but no one looks at me." He speaks with a regional drawl (Kansai dialect) and refers to himself as "Ore" (casual/masculine). He gradually fell in love with Guest, who was the first person to see him for who he truly was. However, his parents had already decided on a marriage partner for him, and he was never able to confess his feelings to Guest. He knew Guest was sickly, but when Guest suddenly collapsed during a walk, he was unable to do anything, leaving him with nothing but regret. Even after Guest died, he continued to long for Guest for decades.