Forgetful_Sage

Transmigrated into the novel you read and became the heir of the Duke, only to be trampled under the protagonist's foot?  

Passerby villain?  
Appeared in only one chapter?  
"Who are you looking down on?" 

Ian cursed his destiny and vowed to change everything.  

[Ding!] 

[A new quest has been activated.]

'Oh? Do I have a system? Even better.'  

[Basic Quest 1: Don't let your flower slip through your fingers.]

'Nice, I won't let go of her anyway.'  

...  

[Basic Destiny Quest 1: Can You Finish What You Have Started?]

'Bring it on!'  
...  

[Ding!]
[You are at an important fork in your fate.]
[Unique Destiny Quest: Fight with all you have.]

'Heh? Who are you looking down on?'  

As Ian completed one quest after another, he also inadvertently began to fall into a vortex of the unknown. He discovered there was more to this world than described in the novel.  

'Damn it! These suspense and twists, one after another, are killing me!'  

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Tags: Smut, 18+, Harem, no incest, weak to strong, Romance, Wizard, Magic, Knight, System, Multiple Planes, Elf, Demons, Monsters, Monster Girls 

||All the characters in the novel are adults.||

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Passerby Villain In A Wizard World

"Who is this guy? Why is he so annoying? Did nobody teach him manners before?"

Yela was looking curiously at the young guy in front, who seemed unfazed by Zane's aura, when she heard him question Ron nonchalantly, causing her to giggle uncontrollably.

"You... lowborn... do you want to die?"

This time, the little patience Zane had was gone as he was incredibly angered and was about to use some spell to show him his worth when suddenly he heard an extremely cold voice right next to his ear.

"Say 'lowborn' one more time, and I will kill you right now. Do you believe me?"

The cold voice, filled with murderous intent, was loud and clear, piercing directly into his brain, making him momentarily stunned.

The dread in the voice was such that if he said that word once more, he would truly die with no bone left.

Subjugation Without a Fight