Nanana's Buried Treasure

An artificial island built for ambitious students hides historic ruins and an extraordinary treasure collection, drawing newcomer Jugo into puzzles and competitive searches.

Synopsis

The Anime Lad

Jugo moves to Nanae Island after being disowned by his father. The artificial island was built so young people could pursue ambitious goals, and its student population now surrounds historic ruins linked to Nanana’s Collection. Independent living has acquired extracurricular puzzles.

Super Eyepatch Fox

Move to the artificial student island. Find ruins hidden beneath its prosperous surface. Jugo gets drawn toward Nanana’s Collection, where puzzles guard unusual treasures and other seekers want the same discoveries. Each search turns the island’s history into a practical obstacle.

Gigguku

Nanae Island was built for young people to chase huge ambitions, then somebody filled it with historic ruins and extraordinary treasure. Jugo arrives for student life and finds an adventure map instead. Every hidden site can become a puzzle contest with another seeker close behind!

Father's Basement

The ensemble can compete to be the loudest person in the room, which risks burying the mystery under poses. The island premise still works. Historic ruins and Nanana’s Collection give each search a concrete goal, while rival problem solvers keep the puzzles active.