Ryuugajou Nanana no Maizoukin

A boy named Juugo moves to an artificial island known as the "Special Student Zone" after being cut off financially by his father. Living on a limited monthly allowance, he rents an inexpensive apartment that is haunted by a ghost named Nanana, who was once a beautiful NEET. Along with members of the school's adventure club, Juugo participates in a competitive treasure hunt for the Nanana Collection, a set of items said to hold an enigmatic power. The story follows their efforts to locate the treasure while navigating the challenges of the island and the supernatural presence in Juugo's home.