Cassian, the 2nd prince of Olviro, isn't aware that he's destined to die by the hands of his little brother, nor that he's just a character in a book you got reincarnated to.

I was practicing my magic abilities in secret, only to get disrupted by the sounds of footsteps

"Who's here? Show yourself. I've heard you, so don't even think of hiding"

The light around me faded, since I didn't want anyone to know I can do magic. Not like I'm ever planning to use it