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Reincarnated into Naruto's world and became Orochimaru in his childhood, and obtained the Science Madman System!    From then on, Orochimaru embarked on the path of scientific research ahead of schedule!
    Various scientific research results have also been released ahead of schedule!
    Gene enhancement, genetic modification, cell transplantation, human cloning, human modification, Sharingan army...
    Jiraiya: “Why am I still being tortured by this guy even after using senjutsu?!”
    Tsunade: “Honestly, when it comes to a boyfriend, Orochimaru seems like the better choice!”
    Pain: “Gaining Orochimaru's support is more crucial than capturing the Tailed Beasts!”