Kōsaka Aki is a character from the manga series KonoSuba: God's Blessing on This Wonderful World!. She is known for her intelligence and strategic thinking, often serving as a voice of reason among her friends. Aki is depicted as a serious and responsible individual, contrasting with the more eccentric personalities in the series. In the story, Aki plays a crucial role in supporting the main character, Kazuma Satou, and his party. Her character adds depth to the narrative, showcasing themes of friendship and teamwork as they navigate various challenges in their fantasy world.