Sonya is an assassin attending a normal school. Yasuna is an airhead who follows Sonya around, unaware of how dangerous she is. This adaptation of a 4-panel comic focuses on the adorable ultra-violence that erupts when they try to get along.
Sawako Kuronuma's one wish in life is to make friends. That's a difficult proposition when everyone who meets her cowers in terror, due to her resemblance to Sadako (after whom they nickname her) from the Japanese horror movie series The Ring. Shunned by her classmates, her life starts to change after she befriends her classmate, Shōta Kazehaya, a popular, easygoing and 100% refreshing guy who is nice with everyone, even with her.
Tokiha Mai and her sickly younger brother, Takumi, have received a scholarship to attend the prestigious Fuuka Academy. On the way, the ferry they are travelling on becomes the site of a destructive battle between two girls wielding apparently supernatural powers. This is only the beginning of their troubles, as Mai learns that she herself possesses these powers - the powers of a HiME.
Haruka Kasugano and his twin sister Sora have lost both their parents in an accident, and with them all their support. They decide to move out of the city to the rural town where they once spent summers with their late grandfather. At first everything seems familiar and peaceful, but changes come as Haruka starts to remember things from his youth.