asuya

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic. 
Just a few days before his death, he became the only Aura user in a world of magic. 
Using his knowledge and experience, he will become an Aura user again, faster than his previous life. 
Accompanied with a shape-shifting black slime, he will make sure to protect everyone he cares about and win against the Evil God Cult.

The Only Aura User In Magic World

"Sigh... just after I told him to mind his manner. William, I told you to not make Roy your enemy. But you just straight up hitting on his girlfriend. I'm sorry everyone, he's still lack many things," old man Henry said.

So his name is William. Should I kill him? Right away?

Hearing that Sophie is my girlfriend, he only lets go of her hand and smiled confidently. Just where did that confident came from?

It's good if he's confident because he's smart. But if he's confident because he's an idiot, I will veto old man Henry's decision to make William as his successor.

"Ah, there's a kid as well here. Here, I'll give you some candies. Listen to your mom and don't cause any trouble, okay? We're having a serious meeting."

This time, he thinks that Patricia is a young girl. That's wrong. She's the oldest human here. Older than old man Henry who is the oldest king in this room.

Stupid Future King