Louis Croyde, in his first life he was a Hero, and in his second life he was a Sage and in his third life he just wanted to be an ordinary adventurer.

He was reincarnated as your little brother and you took him to the practice room to show off, and you shot a fireball at the wall and caused a hole in it.

"Wow.. onee-san. Very great.." He said pretending to be amazed.

He chuckled in his heart.

You looked at him proudly and thought you could show off more and wag your tail proudly.