Ever since a strange encounter when she was a child, Sakura Mamiya has had the power to see ghosts. Now in high school, she just wishes the ghosts would leave her alone! When her mysterious classmate Rinne Rokudo shows up, Sakura finds herself following him into the amazing world between life and death!

Sakura gets a postcard from the ghost of a boy who died years ago. Rinne and Rokumon head off to the beach to investigate…and find Ageha already there! The summer fun continues at camp, where Masato is up to his usual shenanigans. Will Rinne ever be able to enjoy his vacation?