Tatenashi Sarashiki is a prominent character in the anime series IS: Infinite Stratos. As the student council president of the IS Academy and the representative candidate of Russia, she is known for her exceptional combat skills and leadership qualities. Tatenashi is playful and often teases the protagonist, Ichika Orimura, but she is also serious when it comes to her responsibilities. Her character adds depth to the series by highlighting the political intricacies within the academy and the competitive nature of the IS representatives. Her charisma and strategic thinking make her a key player in both the academy's social and combat arenas.