Sayaka Miki is a vibrant, energetic girl and one of the main characters in the anime series 'Mahou Shoujo Madoka Magica'. She is a close friend of Madoka Kaname, the series' protagonist. Sayaka becomes a magical girl driven by her strong sense of justice and desire to protect others. However, her journey is marked by emotional turmoil and inner conflict, as she grapples with the consequences of her decisions and the darker realities of being a magical girl. Her story arc explores themes of self-sacrifice, love, and the harsh truths of wish fulfillment.