Extra To Protagonist - Chapter 111: Trial (3)

Follow Chen Ming as he accepts disciples, establishes a sect, and fights his way in a world that deems him a cannon fodder.
He goes against any common sense using his wits and novel knowhow to finish missions and arm himself against his cruel fate.

- Description from Novelupdates

The overbearing top-notch beauty CEO wife turned out to be the terrifying and formidable War King!!A voice rose in Wu Jie's mind.Ding![Host becomes familiar with the system rules, sparking the first task: Earn a hundred thousand energy points within a week][Task Reward: One hundred thousand bonus points, unlocking the shop, one lottery draw][Failure Punishment: Clear all the host's bank savings]...“Damn it, I'm going all in!”“If I win, I'll get the beauties; if I lose, I'll work my hands to the bone! What's there to be afraid of with such a small task? I'll take it!!”

An otaku with a hobby of masturbating was reincarnated as the son of a great mage.

As soon as he was born in this life, he vowed with a goal of embracing women till his death.

That said, when he became 20 years old, the Demon Lord which was sealed by his ancestors revived, and now it is his role to seal it once again.

And that demon lord is sealed in a tower dungeon that is rumored to be impossible to capture.

However, by an unexpected coincidence, he had found out that the Demon Lord is also one of him, a kindred spirit from within,

so he joined her instead and filled several traps in the tower dungeon, and thus they enjoyed a s*x spree with all the women coming over!