Kirino Kousaka is a fictional character from the anime and light novel series Ore no Imouto ga Konna ni Kawaii Wake ga Nai, also known as Oreimo. She is a high school student who is known for her beauty, intelligence, and strong-willed personality. Kirino has a passion for anime and video games, particularly eroge, which she initially hides from her family. Throughout the series, Kirino's relationship with her older brother, Kyousuke Kousaka, evolves as they navigate their differing interests and personal struggles. Despite their frequent arguments, they develop a deeper understanding and bond, showcasing themes of sibling relationships and acceptance.