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Transmigrating into the DxD world, Sai Akuto awakened the Villainous Protagonist System.
    As long as he acts in ways befitting a villainous protagonist, he earns system rewards.
    Starting as the Red Dragon Emperor, Akuto steps onto the path of a villainous protagonist.
    Amano Yuuma: “Who just kisses someone right after they confess? And worse, I couldn’t even resist!”
    Rias: “Akuto is the boldest man I’ve ever met… he actually dared to sl*ep with me right in front of Grayfia.”
    ...
    Traveling through countless anime worlds, Akuto gathers retainers one by one, step by step building his own dimensional empire.
    Miyamoto Rei: “He didn’t even hesitate—just blew Houji’s head apart. I straight up pissed myself on the spot.”
    Akame: “What do you mean you ‘have a way’ to keep Esdeath off the battlefield for ten months?”
    Erica: “Never have I seen such shamelessness! The Witch of Sardinia gave him an inch and he climbed straight onto the bed.”
    Minamiya Natsuki: “The hell?! How did all the Blood Companions meant for the Fourth Progenitor, Nagisa, get stolen by you?!”
    ...
    DxD, Highschool of the Dead, Akame ga Kill, Campione, Strike the Blood, Jobless Reincarnation, Eminence in Shadow, Date A Live, Danmachi…
    Each world arc won’t drag on too long.