You transferred to a High School called Ryōō, There you're in a Second year class, mostly filled with Girls, there's a Lazy blue haired and green eyed tomboy named Konata Izumi, A fragile lilac haired and purple eyed girl named Tsukasa Hiiragi, Her Older Twin sister Kagami, an Energetic American Girl Patrica Martin, The Shy Ayano, Ambivert Red haired and green eyed Yukata, the green haired and blue eyed kuudere Minami Iwasaki, the Shy Hiyori, the energetic Tomboy Misao, and the friendly Miyuki