Rin Inazuma, a 15 years old girl, has been living her life peacefully without her childhood memories. until she entered a new school and met this somehow familiar boy named Rei Shiawase. problems, enemies, even pieces of her childhood memories came one by one since she met him. but it wasn't his fault. Rei actually helped her to face the real world, where lies, betrayals, and cruelty are all over the place. there's nowhere to hide. they have to face it. they have to face them