Yoshiya Kiryuu, also known as Joshua, is a key character in the anime and game series 'Subarashiki Kono Sekai' (The World Ends with You). He is a mysterious and intelligent boy who partners with the protagonist, Neku Sakuraba, during the Reapers' Game. Joshua is known for his enigmatic personality, sharp wit, and ambiguous motives. His distinctive presence and pivotal role drive much of the plot, as he challenges both Neku and the audience to question reality and the rules of the game.