Devil Slave (Satan system) - Chapter 18 Monastery For Pain And Pleasure...

Ever since the appearance of the Tower of Genesis twenty years ago, children's dreams began to change. Becoming a Hunter became the most popular aspiration.The same was true for Nathan Cole. But unfortunately, the Tower had yet to summon him. The Awakening he longed for never came.Until one day, he was suddenly summoned into the Tower. He was overjoyed—but the happiness didn’t last long.Nathan had been summoned… because of a bug.

> All-Smart Full-Host Cultivation System is at your service!> One-click-cultivation, worry-free-ascension!+ [Features]- Intelligent upgrades tailored to your cultivation needs!- Fully automated cultivation: Sit back, relax, and let the system do the work!- Eliminate accidents: No more qi deviation, guaranteed!- Avoid inner demons: Our patented “Mind-Calming Protocol” ensures mental stability!- Achieve your dream of ascension: From Qi Refining to Immortality, we've got you covered!- Why choose us?- 99.9% success rate in cultivation breakthroughs!- Rated 5 stars by over 10,000 cultivators!

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

Having the capability to destroy humans, elementals, and gods, after a long period of countless wars and strife, Arnos the demon lord became sick and tired of all that and longed for a peaceful world, so he decided to reincarnate to the future.

However, what awaited him after his reincarnation is a world too used to peace that his descendants became too weak due to a huge weakening in magical powers.

Arnos enrolled in the Maou Academy established to find any students that might be the demon lord’s reincarnation, but his powers are too extraordinary that those in the academy couldn’t properly judge his powers, so he’s regarded as an “Inept student”. Being underestimated and avoided by most people there, he recruited a girl friendly to him, Misha, as his subordinate and comrade, and strives to climb to the top of the demon race hierarchy to one day reclaim his former title and status.

The story of otaku building a harem! School flower, loli, wife, mother and daughter, mature woman, teacher, nurse, queen, all kinds of beauties, three steps to push a girl, five steps to a group, harem group, infinite warmth, so cool that you always need to prepare a tissue for easy reading !

- Description from novelbuddy