Garessta

In this world riddled with strife, where even kids know spells, and powerful mages are nobility, Cael was born with no mana at all. An heir to the family of mages, he was his father’s disappointment, and his city’s laughingstock. But who knew that he had a much different destiny? To prevent a looming catastrophe no one else knows about—to stop the Starspawn. 

“Blood Mage System activated. Greetings, user. I am your Blood Mage System. Consume the blood of powerful creatures to purchase new abilities.”

With that power, Cael will become a hero able to stand against the fate that crushed countless others—even if the world will call him a demon instead.

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Although the novel has a harem and r18, neither are the focus of the story. Cael only has very few (2 right now and at the moment I don't plan on increasing this amount) girls, and there aren't that many r18 scenes. Take that as you may~

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My Blood Mage System

Cael's hand reached out, trying to grab the black ooze, but it was pointless. Liquid and slightly oily, it seeped between his fingers, rapidly disappearing between the cracks between the wall bricks.

He could sense the ooze moving and changing shape further. Mimi was barely impeded by the solid mass of stone and ground, while Cael…

Cael stared helplessly at his fingers. Empty fingers! She escaped—just like that! Or, more likely, whoever controlled her, because Cael could come up with no better explanation for her behavior.

Was that Dante's doing? The man created Mimi originally. Only he knew how, and what from. Only he knew what special surprises he left inside of her—be that spells or something else. Although Cael did some research and questioned Mimi in the past, he still didn't know even why her aura was so strange.

A trail full of questions