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

Ronzio—stood in the corner, from where he could've thrown a knife. Maybe. Could he have? His movements weren't jerky, but he wasn't moving much in the first place.

Calvo—sat in the center, right next to the knife. But he was wounded. His movements were strained, but that was because of the wound. His breathing was faint and rapid, and the pulse in his neck fluttered like a butterfly.

The scent of his blood was heavy in the shelter.

The decision had to be made, now, before more questions could be answered. Something had to be done.

Cael made a decision, razor-sharp and solid like a blade. Whether or not it was correct, he was ready to accept the consequences.

He leaped towards Calvo, flapping his wings once to propel himself even faster. Dieter shouted, trying to get in his way, but Cael pushed him aside.

Fifth hour, part 6