In this post, we take a closer look at the current status of the series “Ryuugajou Nanana no Maizoukin”, also known by the following titles:
- Nananas Buried Treasure
- 龍ヶ嬢七々々の埋蔵金
- Ryūgajō Nanana no Maizōkin: Nananas Buried Treasure
Status#
Based on our analysis, the series is NOT FINISHED. ❌
Here’s how we reached that conclusion:
- All related entries are marked as finished on MyAnimeList
- The series is listed as ended on Trakt
- The original source material has not been fully adapted, according to MangaUpdates
Taken together, these points indicate that Ryuugajou Nanana no Maizoukin is still ongoing in some form.
Watch order#

Ryuugajou Nanana no Maizoukin PV ↗ ↖
龍ヶ嬢七々々の埋蔵金
Summary
Promotion video for Kazuma Ootorino's light novel Ryuugajou Nanana no Maizoukin, commissioned by Enterbrain after Ootorino won the 13th Entertainment Awards Grand Prize (Entame Taishou) from the publisher's light novel department.
Ryuugajou Nanana no Maizoukin ↗ ↖
Nananas Buried Treasure
Summary
The story centers around the treasure of Nanana, a ghost who was once a beautiful but NEET (Not in Education, Employment or Training) girl. A boy named Juugo was disowned by his father and forced to transfer to a high school on the "Special Student Zone," an artificial island. With only 40,000 yen a month to live on, Juugo chooses a low-rent apartment that happens to be haunted by Nanana. Juugo and members of the school's adventure club join a "treasure hunt royale" on the island for the Nanana Collection, a treasure that possesses a mysterious power.
Ryuugajou Nanana no Maizoukin ↗ ↖
Nananas Buried Treasure
Summary
The story centers around the treasure of Nanana, a ghost who was once a beautiful but NEET girl. A boy named Juugo was disowned by his father and forced to transfer to a high school on the "Special Student Zone," an artificial island. With only 40,000 yen a month to live on, Juugo chooses a low-rent apartment that happens to be haunted by Nanana. Juugo and members of the school's adventure club join a "treasure hunt royale" on the island for the Nanana Collection, a treasure that possesses a mysterious power.
Ikkyuu Tensai no Kiwamete Fuhoni na Meisuiri ↗ ↖
壱級天災の極めて不本意な名推理

Ryuugajou Nanana no Maizoukin ↗ ↖
龍ヶ嬢七々々の埋蔵金

Ryuugajou Nanana no Maizoukin: The Animation ↗ ↖
龍ヶ嬢七々々の埋蔵金 The Animation
Summary
The man-made island of Nanaejima houses a population mostly consisting of high school students. The island is equipped with state-of-the-art research facilities that are open to all students on the island.Juugo Yama was exiled from his home and forcibly sent to the island of Nanaejima to attend the local high school. With a limited budget, he chose the cheapest apartment he could find, but there was a catch. The apartment is haunted by Nanana, a girl that was murdered in the room. Nowhere else to go, he will now have to live with his ghostly roommate and venture into the world of treasure hunting with his classmates in order to release Nanana.
(Source: MangaHelpers)

Ryuugajou Nanana no Maizoukin ↗ ↖
龍ヶ嬢七々々の埋蔵金
Summary
Nanae Island is a man-made island in the Pacific Ocean that holds everything necessary for the proper education and training of children. It was created by the Great Seven, a group of adventurers headed by Nanana Ryuugajou, as a place for the young to chase their dreams.After being disowned and exiled by his family, high school student Juugo Yama arrives on this island, happy to finally be free of his father. Upon moving into his new room, he discovers the ghost of Nanana Ryuugajou, bound to the island after her unsolved murder 10 years ago. Nanana tells Juugo that, just before her death, she hid items with unique and mysterious powers all across the island—items known as the Nanana Collection. Hoping to uncover clues that will help him find the culprit behind her death, Juugo, with the help of self-proclaimed “Master Detective” Tensai Ikkyuu and her cross-dressing maid Daruku Hoshino, sets out on his search.
[Written by MAL Rewrite]
Background
Ryuugajou Nanana no Maizoukin adapts the first 3 novels of Kazuma Ootorino's light novel series of the same title.
Ryuugajou Nanana no Maizoukin Bangai-hen ↗ ↖
Nananas Buried Treasure Side Stories
Summary
Side stories of Ryuugajou Nanana no Maizoukin bundled with the first press release of all 6 Blu-ray/DVD volumes of anime.
