Fujimaru Ritsuka is a young male protagonist in the Fate series, specifically known as a Master in the Grand Order storyline. He is thrust into a chaotic world where he must summon legendary heroes known as Servants to combat threats across time and space. Ritsuka is characterized by his strong sense of justice and an unwavering determination to protect his friends and humanity. Despite the odds stacked against him, he possesses an innate ability to inspire loyalty among his Servants. His journey is marked by challenges that test his resolve, revealing his compassionate nature and willingness to sacrifice for others. As he navigates the complexities of the Holy Grail War, Ritsuka learns about the weight of decisions and the true meaning of heroism.