Born into the Gekkō Clan with a system that rewards transgression, this Naruto fanfiction protagonist transforms into the ninja world's most notorious troublemaker. Armed with the Seven-Tails Chōmei's flight capabilities and the Transparent Escape Kekkei Genkai, he exploits every forbidden technique and loophole in existence. His Kekkei Genkai doubles as unparalleled reconnaissance. The Flying Thunder God Technique becomes his gateway to theft. Chōmei's aerial prowess accelerates his kleptomaniac pursuits across the Land of Fire. During the Fourth Shinobi World War, he strikes like a specter against both Edo Tensei Madara and Obito, leaving no trace of his involvement. Yet his true calling emerges in peacetime—a master thief with unmatched cunning and technique. Hiruzen Sarutobi questions his mastery of forbidden jutsu. Jiraiya discovers half his Icha Icha Paradise research originated from Kazuyama Gekkō's midnight acquisitions. Every village elder, every powerful shinobi becomes a potential target for this mischievous collector of rare abilities and forbidden knowledge. A System Fanfiction combining the Forbidden Jutsu Collector tag with Tailed Beast Stealing mechanics, following one rogue ninja's journey through theft, deception, and supernatural advantage across Konoha and beyond.