Sakurai Tomoki has been having the same strange dream since he was a child and always ended with him waking up in tears. Sugata, an upperclassmen at his school, believes the dream to be from a new world. Later that night, while waiting under a huge cherry tree for Sugata and his childhood friend, Sohara, a strange object comes flying down from the sky and nearly misses him. Upon further investigation he discovers that it's a very beautiful angel and what was once a very peaceful life for Tomoki, changes into something he never thought possible.