"Nai--a young man who travels in search of another by the name of Karoku, a lone bracelet his only lead. Gareki--a willful young man who earns his daily bread by thieving and picking pockets. Thrown together at an eerie mansion, where they are entrapped and framed, Nai and Gareki are soon hunted down as criminals by national security forces. As they are driven into a corner, before them appears the most powerful defense agency in the country, 'Circus'--!!"--...

"Nai and the crew of the 2nd Ship head for the metropolis of Vantonam, with 1st Ship's Jiki on board under Captain Tsukitachi's orders. The group takes some time off to enjoy the city, but while browsing the Nyanperona Shop, they are called out by a young boy, and ...?! Later, Nai receives a secret communication with a dire message from Karoku as Circus begins planning an attack upon the 'Smoky Mansion' where Karoku says he is being held. After the...

"When Nai's bracelet mysteriously reactivates, he and Karoku find themselves transported to the wilds of an unknown land. Worried, Gareki requests a leave of absence from Chronomé Academy to join in the search for Nai, but he is forced to make a difficult decision concerning his future..."--

At Yanari's party, Nai and the crew deepen their friendships and experience the warmth that comes of supporting and encouraging one another. Upon their return to the 2nd Ship, Gareki is summoned to meet with a stranger, who has come aboard disguised as a tree...'!