Nanana's Buried Treasure
Ryuugajou Nanana no Maizoukin
The show follows a teenage boy named Juugo Yama, who moves into an apartment on an artificial island only to discover that it is haunted by the ghost of Nanana Ryugajo, a girl who was assassinated a decade ago. With his high school's adventure club, he goes on a treasure hunt for the mysterious Nanana Collection.
