Reincarnated As The Last Incubus With A System

The Human Realm, Zurbis, is under attack from the Demons that have breached the realm.

They demons have invaded and have quickly built their forces on Zurbis. Humanity is on the verge of extinction as the Demons seek to destroy them all.

The most threatening force of the demons to humans? Succubus. Over seventy of men had died from their advances.

Zach Bloodthorn is one of the last men to fall to such attacks. On the battlefield, he's killed off after having his life essence sucked out of him by multiple succubus.

Just as his consciousness faded into the void...

Ding!

[Male Host acquired!]

[Condition Met! Incubus Lust System Acquired]

[Binding System to Host]

"Huh?" Zach surprisingly opens his eyes in a different place, in a different body. He is reborn. As an Incubi!!

[You have received a mission from Deus]

[See a naked woman and complement her. Reward: +15 Lust Points, +5 Upgrade Points, 1x Low Grade BloodSpite Gem.]

[You have received a mission from Deus]

[Your mistress is cold and lonely. Satisfy her and warm her up. Reward: 3x Low Grade BloodSpite Gems, +25 Upgrade Points, 2x Low Grade Dark Crystals.]

Reborn as an Incubi in an unfamiliar territory, Zach must grow stronger as fast as possible with the help of his new system and find out where he is. Above all, he has one greatest desire.

To stop humanity from going extinct.