Zero: From Hero's Sidekick To The World's Strongest Killian

50 years after the hero and her party defeated the demon lord trying to conquer the land, a new threat looms on the horizon. Another war is brewing as a malevolent force seeks to conquer the world.

Meet Killian, the mysterious figure concealed behind the mask of the legendary mage, Zero, who was a vital member of the hero's party. In his day-to-day life, Killian assumes the role of a seemingly feeble healer, attracting the adoration of countless women. But now, the time has come for him to step out of the shadows and secure the peace his party once brought to this world.

Unlike his past role as a mere sidekick, Zero has evolved into a formidable force, surpassing all expectations. As Zero, he becomes the world's savior, while continuing to masquerade as the unassuming healer, Killian.

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Warning: Spoilers Ahead.

The MC is ridiculously overpowered; there's literally no one in this world who can defeat him! There are no stakes in this story!

There's no depth of thought in this story; it's simply wish fulfillment for horny dudes. I'll improvise the plot as I go—encountering plotholes? Here, enjoy some fight scenes where the MC effortlessly defeats opponents. And oh, R18 chapters, anyone?

Character development? Compelling characters? Nah, here, meet some one-dimensional women whose sole purpose is to clean the MC's pipe. And did I mention they're attractive? Beautiful one-dimensional women!

You will see all kinds of women in here: humans, elves, beastkin girls, maids; single, engaged, married; first-timers, non-experts, experienced, experts; one who will ask you to be gentle, noble ladies, emotionless, cheerful, a girl who will literally kill you, tsundere, and all kinds of deres; flat, medium, large — all of them. I am writing them all because I am a dirty little piece of shit!

The MC will rail shit tons of women like a rabbit in heat.

NTR? I know you like this kind of shit, you dirty bastard! I like it too! (The MC will be the one doing the NTR)

Yuri? Two girls sharing a kiss, am I right? Bark, bark! I have Fate/UBW to blame for this.

Incest? Wincest!

This is not a bait-and-switch; everything I mentioned above is literally in this book. If you have any problems with any of them, I recommend you stay as far away as possible from this novel. Don't read it just to blame me later.

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All characters appearing in this story are over 18 years old. No underage characters will be depicted.