Isshin's plan has rendered Ikusaba's "Shadowfins" useless, and victory is right before the Adventure Club's eyes... but then Ikusaba unleashes the power of his other Nanana's Collection treasure, leaving Juugo in serious trouble. Then Tensai steps in, telling Ikusaba she's figured out his power and offering him a proposal.

At the start of class one day, a first year student comes to see Tensai. After speaking with her, Tensai returns in a bad mood and walks out of the class. The same day, one of the people Juugo met in the Tsukuyomi District, Tetsu, transfers into Third High School.

Juugo has been cowering in fear in a corner of his room while Nanana has been on the rampage. Finally the delivery he's been waiting for arrives, and he presents Nanana with its contents, special thick pudding from the hot springs town, along with an apology for selling off her video games to pay his utility bill. But there was something else hidden in the package...

The Adventure Club is back in action. Isshin proposes that they plan an overnight trip to a hot springs town on the west side of the island, where he suspects they'll find the next ruins.

Idol group Shiritsu Ebisu Chugaku (私立恵比寿中学) is getting ready to release single Butterfly Effect with tie-up as the opening theme for anime Nanana’s Buried Treasure (龍ヶ嬢七々々の埋蔵金). Ebichu’s 6th single comes on three editions scheduled for release on June 4th 2014 - read on for more details.Shiritsu Ebisu Chugaku (Ebisu...

Sphere has unveiled the jacket covers and more for their new single Kasuka na Hisoka na Tashika na Mirai (微かな密かな確かなミライ). Their 15th single is featured as the ending theme for anime Nanana’s Buried Treasure (龍ヶ嬢七々々の埋蔵金). Single Kasuka na Hisoka na Tashika na Mirai (A Hazy, Secret, Certain,...

After clearing the ruins in the classroom, Juugo, Tensai, and Daruku become members of the Adventure Club. At club president Yuiga Isshin's request, Juugo undergoes a trial administered by Nanana to get her to share the location of the next treasure. This complete, the Adventure Club sets off to the Rising Building. As they search for the ruins, Tensai quickly finds a certain door...

Juugo picks up a jewel that fell from the sky as he was on his way home from the convenience store. It turns out to be one of Nanana's Collection: the The Eye of Yuguthos. Juugo is shocked that Nanana's Collection really exists. Meanwhile, the master detective Ikkyuu Tensai and her assistant, Hoshino Daruku, pay a visit to room 202 of the Happy House in search of the stolen jewel.

Yama Juugo is a high school boy who has moved to Nanae Island, also known as the Special Student Zone, after being kicked out of the house by his father. He has chosen to begin his solo life in room 202 of the Happy House, a one-room apartment plus kitchen with separate bath and toilet, including furniture, appliances, and extras for 5,000 yen per month. But when he enters the room, he sees a girl relaxing inside, watching TV...

Sphere has announced new single Kasuka na Hisoka na Tashika na Mirai (微かな密かな確かなミライ) with tie-up as the ending theme for upcoming anime Nanana’s Buried Treasure (龍ヶ嬢七々々の埋蔵金, Ryūgajō Nanana no Maizōkin). Their 15th single Kasuka na Hisoka na Tashika na Mirai comes on three editions set for release...