Shana is the titular protagonist of the anime series 'Shakugan no Shana.' She is a Flame Haze, a warrior bound to a Crimson Lord named Alastor, tasked with maintaining the balance between the human world and the Crimson Realm. Initially emotionless and focused solely on her duties, Shana undergoes significant development throughout the series, discovering emotions and forming strong bonds, particularly with the series' male lead, Yuji Sakai. Her character is known for her fiery spirit, combat prowess, and the iconic phrase 'Urusai, urusai, urusai!'