This book was so cute! Karin is a Vampire. But she's not a normal vampire. Unlike her mom, dad, older brother Ren, and little sister Anju, Karin gets up during the day ad goes to school. Also unlike them , Karin doesn't drink human blood. Every month she get an increase in her amount of blood and has to get rid of it so she bites people and injects the with her blood. If she doesn't then she'll get a major bloody nose. By major I'm talking coat the whole classroom red Major. So she bites people and goes them her blood which affects the 'victim' in a good way making them happier, have more energy etc. She's kept this hidden and had a normal school life for years until a new transfer student shows up. Kenta Usui. Her blood reacts and goes crazy around him! Why? You'll just have to read this harious book to find out!